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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.

大的心靈正多么喜悅，為了它獻(xiàn)出和將獻(xiàn)出的一切。

A first sign of the beginning of understanding is the wish to die.

創(chuàng)新不僅僅是技術(shù)的問題；它關(guān)乎改變?nèi)藗兊乃季S和工作方式。