Happy the man, and happy he alone, he who can call today his own.
快乐的人,只有快乐的人,是能把今天称为自己所有的那个人。
心理活动总是朝向某个目的。
学习哲学的最终目标是消除痛苦。
To read is to travel without moving; to write is to make others travel.
The greatest wisdom is to realize one's own ignorance.