数学是过去与未来的对话。
Mathematics is a conversation between the past and the future.
效率和道德必须齐头并进;没有另一方,任何一方都无法蓬勃发展。
Everyone has the brainpower to follow the stock market. If you made it through fifth-grade math, you can do it.
As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.
I always try to find a way to win, even when I’m not playing my best.