There is no perfect knowledge which can be entitled ours, that is innate; none but what has been obtained from experience.

The most successful businesses are those that can anticipate and adapt to market trends.

The only information we can legitimately derive from aesthetic and moral experiences is information about our own mental and physical make-up.

When you solve a mathematical problem, you don't just get the answer - you understand why it's the answer.

刚强纯洁的高尚人品，要在烈火般艰苦的斗争中锤炼；惊天动地的丰功伟业，必须在薄冰般险恶的环境里前进。

Every story is a lie until someone believes it.

The severe morals of the early Romans produced a race of men who were neither superstitiously devout nor philosophically skeptical.

我很早就知道这个世界可能是残酷的，但我拒绝让它击垮我。