Psychology as the behaviorist views it is a purely objective experimental branch of natural science.

Ignoring isn’t the same as ignorance, you have to work at it.

Success is not final, failure is not fatal: It is the courage to continue that counts.

We have to continually be jumping off cliffs and developing our wings on the way down.

你永远无法取悦所有人，所以做让自己开心的事就好。

Success is not about being the best, but about making others better.