In this video where Eastern and Western wisdom meet, Harvard physician and Zen priest Professor Robert Waldinger kindly explains six core principles and practices of Zen Buddhism. From the nature of change, relating to suffering, mindfulness, letting go of attachment, loving-kindness (metta), to beginner's mind -- you'll find practical insights on alleviating suffering and living a fulfilling life as taught by Zen. It's a warm and accessible video for learning wisdom that can actually be applied to relationships and everyday life.

1. Life in Community: Learning Zen Through Relationships

Professor Waldinger first emphasizes the power of "Sangha," a Buddhist term meaning community. He reveals his identity by saying, "I am a Zen Buddhist practitioner. In fact, I am a Roshi, a Zen priest." He explains that a key characteristic of Zen is that rather than meditating or practicing alone, one learns about oneself and others within the context of community relationships.

"We learn about ourselves and others not just during meditation, but by relating to each other in actual life."

He confesses that this sense of community has deeply influenced his own life, research, and the way he treats patients. The diverse experiences within a community are themselves important lessons.

2. Impermanence: The Greatest Teaching That Everything Always Changes

When asked to name the most important principle in Zen Buddhism, Professor Waldinger unhesitatingly points to "Impermanence."

"I consider the concept of impermanence to be Zen Buddhism's 'greatest teaching.'"

In other words, everything in this world is ceaselessly changing. He explains that while this concept can feel frightening, it simultaneously sets us enormously free.

"When you know that everything changes, you can let go of much of the stories and attachments we tell ourselves, like 'I have to be this way.'"

"When you deeply understand impermanence, you feel even more compassion for others, because you know that they too are struggling within a constantly changing self and world."

The message is that truly understanding that everything is constantly changing allows us to look at ourselves and others more warmly.

3. The Four Noble Truths: Building a New Relationship with Suffering

Professor Waldinger explains the core Buddhist teaching of "The Four Noble Truths" while correcting a common misconception.

"People commonly think the Buddha taught that we can reach a state free of suffering. But Zen Buddhism doesn't see it that way."

Rather than saying suffering (dissatisfaction, pain) can be completely eliminated, Zen emphasizes that our attitude toward suffering can change -- that is the Zen perspective.

"We can learn to be with life's dissatisfaction, unhappiness, and even suffering. And that approach makes the suffering more bearable."

What's especially important is that the "optional suffering" we add on -- narratives of victimhood, comparison, and resentment like "Why do I have to suffer like this?" -- actually makes the real pain worse.

"All of these can be addressed, and when we blame ourselves less, our relationships can improve tremendously."

4. Mindfulness: Staying with the Experience of This Present Moment

Professor Waldinger also offers the most accessible definition of Mindfulness.

"Experiencing everything that is happening in this present moment just as it is -- that is mindfulness."

He says, "Right now I'm talking with you, and feeling my back against the chair or the air on my skin -- that's an example." You can practice mindfulness right now in simple ways: tuning into your heartbeat, the sound of your breath, the hum of a fan in the room -- any sensation, moment by moment.

"Just open yourself up and receive whatever stimulation comes from right here, right now, as it is. This is a practice you can do anytime, anywhere, immediately."

This shows that mindfulness is an extremely practical and repetitive exercise.

5. Letting Go of Attachment and Freedom in Relationships

In Buddhism, "Attachment" arises from clinging to the fixed idea that "things must be a certain way," Professor Waldinger explains.

"We all have preferences, but we don't need to insist that the world or other people must conform to what we want."

Using relationships as a direct example, he points out that when we cling to the idea that "that person must be this way," we actually suffer more.

"Allowing the other person to exist in the world as they are, and likewise allowing myself to exist as I am -- that is the mindset that gives true freedom."

Zen emphasizes the wisdom of not running away from suffering, but changing one's attitude so that the suffering hurts less.

6. Metta (Loving-Kindness): Practical Training Methods

Professor Waldinger discusses how the Buddhist concept of loving-kindness (Metta) can actually be applied in daily life.

"Metta can be cultivated through meditation where you sincerely wish for someone's happiness and peace, repeating it over and over."

For example:

"May you be happy. May you be at peace."

By repeating these wishes, even toward people you dislike or find annoying, you can actually experience a shift in your feelings toward them.

Another approach is that by becoming aware of your own inner anxiety and pain, compassion and loving-kindness toward others naturally arise.

"When I deeply notice that I am struggling, anxious, and angry, I naturally develop more understanding because I realize others must feel the same way."

"So when someone is angry, I first think, 'Ah, that person must be having a really tough day too.'"

The emphasis is that when self-compassion grows through meditation, loving-kindness toward others springs up very naturally.

7. Beginner's Mind: The Power of Admitting You Don't Know

Finally, Professor Waldinger introduces "Beginner's Mind," a concept central to Zen Buddhism.

"Letting go of all the thoughts and stories we believe we know so well, and looking at the other person with an open mind as if meeting them for the first time -- that is beginner's mind."

Especially in relationships, this attitude keeps you curious about the other person, helps you discover aspects you hadn't noticed before, and brings freshness to the relationship.

"Acknowledging that there is so much I don't know, and looking at the other person carefully again -- that's what makes a relationship feel fresh."

Professor Waldinger quotes the famous words of Japanese Zen master Shunryu Suzuki:

"'In the beginner's mind there are many possibilities, but in the expert's mind there are few.'"

In other words, embracing numerous possibilities with an open mind can lighten the weight of fixed ideas about life, relationships, and ourselves.

"The older I get, the more people call me an 'expert,' the more deeply I realize how much I don't know."

In Closing

Professor Robert Waldinger's 6-step guide to Zen Buddhism delivers practical and warm wisdom toward "alleviating suffering, improving relationships, and finding freedom in life" through the realization of impermanence, the practice of mindfulness, letting go of attachment, training in loving-kindness, and maintaining beginner's mind. Based on these insights where Eastern and Western approaches to healing the mind converge, the video's greatest message is to try directly applying these principles to achieve greater peace and compassion in your everyday life and relationships.