The poet is the conscience of the nation.
没有什么是一成不变的!
Efficiency and ethics must go hand in hand; one cannot thrive without the other.
The environment is everything that isn't me.
The method of psychology must be as exact as the methods of the natural sciences.
The greatest weapon against stress is our ability to choose one thought over another.
如果你相信你可以,或者相信你不可以,你都是对的。
你不需要很厉害才能开始,但你必须开始才能变得厉害。
The weight of evidence for an extraordinary claim must be proportioned to its strangeness.
I believe that children are our future. Teach them well and let them lead the way.
We are all just passing through, and the world is indifferent to our passing.