Don't be afraid of failure, because every failure is practice for success.

The most important questions in life often have no answers, and we must learn to live with them.

"We need to be insatiable in our desire to learn from the outside."

我为自己是黑人感到非常自豪，但黑人并不是我的全部。那是我的文化历史背景，我的基因构成，但它不是我全部的身份，也不是我回答每个问题的基础。

The world is full of obvious things which nobody by any chance ever observes.