To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.
心理学唯一有效的数据是受过训练的观察者的报告。
"The power of imagination is the key to unlocking the doors of reality."
记忆是一把装满了未来的武器。
The way in which men produce their means of subsistence depends first of all on the nature of the actual means they find in existence and have to reproduce.