The best products come from a deep understanding of the problem, not just a desire to make something new.

Life is compared to a voyage.

追求数学知识是一段永无止境的旅程，充满了无尽的好奇和惊奇。

When you have to kill a man it costs nothing to be polite.

苏联是一个恐惧的文明，人们生活在持续的对夜间敲门声的恐惧中。