The beauty of the world has two edges, one of laughter, one of anguish, cutting the heart asunder.

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed to exclude, in a manner, all other arts.

Life is for living, we all know.

快乐不是拥有得多，而是计较得少。

对所有人有礼，与多数人交际，和少数人亲近，交一位朋友，不与人为敌。

The concept of will is unnecessary in explaining behavior.

计算的本质不在于硬件，而在于驱动它的算法。