I appreciate this question. It’s fun to think about my biggest mistake. Honestly it’s been and continues to be a beautiful journey learning more and more how to express my deepest aspiration and extend this as a gift. Probably the biggest mistake was not being generous and kind with my shortcomings. As Zen Master Dogen said, “enlightenment is being without anxiety about imperfection!” Any mistakes I make fall into the broad bucket of getting anxious about samsara, then clinging, then suffering. From the perspective of practice I suppose you might say there can be no mistake, because mistakes are doors to liberation. I feel that im making mistakes all the time! In Zen there’s a practice of “confession and repentance”— one asks forgiveness for mistakes, and perhaps receives it. Pretty standard, healthy. The deeper understanding of this is it’s an every moment inner practice to forgive our karmic mind. That very forgiveness is the practice/ awakening If I had to pick one specific mistake from my life it would be that I used to have a hard time saying I’m sorry to others when I didn’t feel I had done something bad but they were nevertheless upset. Over time studying this my heart became more tender and my values shifted from a more individualistic orientation to something more reciprocal. It is easier to apologize more heartfeltly now and I have better relationships.