The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.

你以为早上醒来昨天就不算数了。但昨天才是真正算数的。

历史不是过去。它是现在。我们带着我们的历史。我们就是我们的历史。

The most dangerous phrase in the language is, "We've always done it this way."

每个数学问题都有一个解决方案；有时只是需要时间去找到它。

The stories we don’t tell are the ones that haunt us the most.

伟大的本质在于认识到美德就足够了。