Adaptability is the key to thriving in a changing world.

The only limit to our realization of tomorrow will be our doubts of today.

There was never a century nor a country that was short of experts who knew the Deity's mind and were willing to reveal it.

A mathematician's work is never done; there are always new questions to explore and new mysteries to uncover.

人们要求言论自由作为他们很少使用的思想自由的补偿。

"No man really knows about other human beings. The best he can do is to suppose that they are like himself."

她意识到，有时候最难的事情就是放手。