You can’t go back and change the beginning, but you can start where you are and change the ending.
你无法回到过去改变开始,但你可以从现在开始改变结局。
I don’t play tennis for money or fame. I play because I love it.
The value of a mental process lies in its utility for the organism's adjustment to life.
My mind is my weapon. My brother has his sword, King Robert has his warhammer, and I have my mind... And a mind needs books as a sword needs a whetstone, if it is to keep its edge.
We must invest in our people as much as we invest in our technology.