The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.
地球上唯一伟大的是人，人身上唯一伟大的是心灵。
The human soul is a dark vast forest, with wild life in it.
我不完美，但我始终是我自己。
一个物理符号系统具备一般智能行为的必要和充分条件。
Psychology must be based on direct experience and introspection.
