只要你能坚持一步一步往前走，你几乎可以度过任何难关。

记忆就像拼贴画 - 有些部分清晰，有些褪色，随着时间的推移重新排列。

Men become civilized, not in proportion to their willingness to believe, but in proportion to their readiness to doubt.

"The problem with fiction is that it makes too much sense. Reality never makes sense."

接人待物要平和而有节操，处理事情要明白而果断，识理要正直诚实而通达。

The probability of a response is determined by its reinforcement history.

The joy of discovery in mathematics is unparalleled.

The basis of optimism is sheer terror.

可持续性不是一种趋势，而是我们对工匠、森林和下一代的责任。