我必须研究政治和战争，以便我的儿子们可以自由地研究数学和哲学。
A wise man proportions his belief to the evidence.
一本好的图画书应该是文字和图像的合作，彼此相互增强。
The best way to predict the future is to create it.
The more you give, the more they take.
The earth is just a dot in the universe.
"We are all, in some way, exiles from ourselves."
我从不考虑未来。它来得已经够快了。