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 it be obeyed.

你不该在旁观中度过一生，世界需要你参与其中。

I don't need a reason to be confident.

科学好奇心必须与商业纪律相匹配，才能为需要的人带来治疗方法。