The mind is its own place, and in itself can make a heaven of hell, a hell of heaven.

Reflect upon your present blessings, of which every man has plenty; not on your past misfortunes, of which all men have some.

行为主义者问：为什么我们不把可观察的东西作为心理学的真正领域？

帮助地球最有效的方法就是停止食用动物。