Optimism is a strategy for making a better future. Because unless you believe that the future can be better, you are unlikely to step up and take responsibility for making it so.

Compassion for animals is intimately connected with goodness of character.

The behaviorist asks: Why don't we make what we can observe the real field of psychology?

如果你想拥有从未拥有的东西，就必须愿意做从未做过的事。

教育的目的是使个人能够继续他们的教育。