The past is a shadow that follows us, but the future is a light that guides us.
你可以锁上你的图书馆;但对我的思想自由,你无法设置任何门闩、锁或插销。
恋爱是艰苦的,不能期待它象美梦一样出来。
Thought is the means by which the organism negotiates its way through the world.
The most dangerous thought you can have as a creative person is to think that you know what you're doing.
你今天感受到的痛苦将是你明天感受到的力量。