The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.

The only real mistake is the one from which we learn nothing.

我不是塑料娃娃。我是个真实的女人。

The only way to learn a new programming language is by writing programs in it.

没有妥善照顾的孩子，会让将来的社会得到报应，因为他可能会成为未来社会中消极的个体并构成文明社会的障碍。