A proof tells us where to concentrate our doubts.

The most dangerous poison is the feeling of achievement. The antidote is to think every evening what can be done better tomorrow.

The best solutions often come from those who work closest with the animals.

理论与观测之间的相互作用推动了天体物理学的发展。

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

当市场下跌时，你轻易的将好东西打折变卖，但是一旦市场向上，再想买回来，难之又难。