一个好的数学家是懒惰的，但要以建设性的方式。

科学的进步就像古老的沙漠小径，散落着被抛弃的理论的苍白骨架，这些理论曾经看似拥有永恒的生命。

Internal mental events are irrelevant to the scientific study of behavior.

I don't think that when people grow up, they will become more broad-minded and can accept everything.Conversely, I think it's a selecting process, knowing what's the most important and what's the least. And then be a simple man.

The past is never dead. It's not even past.

成为你希望看到的改变。

未来将会蓬勃发展的企业是那些将环境法规视为创新机会而非负担的企业。

如果今天我不是拿破仑的话，我想成为亚历山大。