The most profound technologies are those that disappear. They weave themselves into the fabric of everyday life until they are indistinguishable from it.

Mental tranquility is the highest good.

在上帝面前，我们都一样聪明——也都一样愚蠢。

Patience is a virtue in trading; don't rush into decisions.

如果你不能改变它，意见有什么用？

和平时期流汗越多，战争时期流血越少。