唯一真正的优雅在于思想;如果你有了这一点,其余的一切都源于此。
A proof is a device for convincing someone else that a mathematical statement is true.
"It is a capital mistake to theorize before one has data."
People are just as wonderful as sunsets if you let them be. When I look at a sunset, I don't find myself saying, 'Soften the orange a bit on the right hand corner.' I don't try to control a sunset. I watch with awe as it unfolds.