"In the silence between words, the truth often resides."
You can't go back and change the beginning, but you can start where you are and change the ending.
A public-opinion poll is no substitute for thought.
The best performances come from a place of vulnerability.
不要只追逐金钱，追求卓越，金钱自会跟随。
A good mathematician should be both rigorous and imaginative.
"Sometimes the hardest thing and the right thing are the same."
Reading good literature is the best way to learn to be free.
The mind is a system of coordinated activities.
The iron rule of nature is: You get what you reward for.If you want ants to come, you put sugar on the floor.