The essence of mathematics lies in its freedom.

The most beautiful as well as the most ugly inclinations of man are not part of a fixed biologically given nature, but result from the social process which creates man.

If entrepreneurship is not going well, end it early and start over.

The human mind is a complex and fascinating subject, and understanding it requires both scientific rigor and a touch of creativity.

痛苦是暂时的，但骄傲是永恒的。

译文：读过的旧书要反复地阅读，读透读深才能知道书中的道理。赏析：经典的好书必须要反复阅读，常读常新，读懂书中的内容就会受益匪浅。

信息是物理的，信息处理总是与物理定律相关。