I don’t think anything is unrealistic if you believe you can do it.

如果你不知道自己急切需要的是什么，那很可能就是睡觉。

好奇心是所有伟大数学发现背后的驱动力。

The interest of the behaviorist in man's doings is more than the interest of the spectator—he wants to control man's reactions as physical scientists want to control and manipulate other natural phenomena.

有时我希望有人能找到我。

The only way to do great work is to love what you do.

如果你还在想着昨天，你就不会有更好的明天。

What man actually needs is not a tensionless state but rather the striving and struggling for some goal worthy of him.