"To write is to give oneself a chance to live many lives."

I have always considered that the true test of a machine is its practical utility in the hands of the common laborer.

记忆就像一条永不停息的河流。

Sometimes the best ideas come from the most unexpected places.

因为服从是如此困难，所以相信也是如此困难。

最微小的细节往往承载着最深刻的意义。

学习是企业的进步，没有学习就没有成长。

Truth is always to be found in simplicity, and not in the multiplicity and confusion of things.

数学的本质在于它的自由。