The essence of drama is conflict, and the essence of conflict is human nature.
戏剧的本质是冲突，而冲突的本质是人性。
心理学必须是纯粹实验性和分析性的。
Be a good ancestor. Do something a future generation will thank you for. A simple thing is to plant a tree.
I earnestly wish to point out in what true dignity and human happiness consists.
在帮助孩子健全发展的过程中，最常被人忽视的，就是人性的特质――孩子精神上的需要。
史记