"To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death."

To understand others, you must first understand yourself.

I'm the reason your sound won't echo.

精通不是天才或天赋的功能。它是时间和强烈专注于某一特定知识领域的功能。

Be the change that you wish to see in the world.