The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when to be obeyed.

"Grief changes shape but never truly leaves us."

我认为生活中最重要的事情就是忠于自己。

You are not your circumstances. You are your possibilities.

Risk comes from not knowing what you're doing.

在科学的道路上，失败是常态，但每一次失败都离成功更近了一步。