The truth is rarely pure and never simple.

我不相信贫穷，我相信创造机会。

The study of auctions teaches us about the broader workings of markets.

I'm not afraid to take risks.

解释：贪图安逸必然会败坏自己的名声。

The joy of solving a mathematical problem is unparalleled; it is a moment of pure intellectual triumph.

说话是一种冒险，但沉默是更大的冒险。

耐心和坚持是科学发现的无名英雄。