The only real knowledge is self-knowledge.

The power of abstraction is that it allows us to ignore irrelevant details and focus on the essential aspects of a problem.

A tannery's wastewater is the truest measure of its values.

There is nothing to writing. All you do is sit down at a typewriter and bleed.

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。

I don't want to just make music. I want to make history.

抽象的目的不是含糊不清，而是创建一个新的语义层次，在这个层次上可以绝对精确。