Happiness and unhappiness depend upon the opinion we have of things.

Reflect upon your present blessings, of which every man has plenty; not on your past misfortunes, of which all men have some.

I'm tough, I'm ambitious, and I know exactly what I want. If that makes me a bitch, okay.

战胜市场的唯一方法是拥有他人没有的信息，或者比他人更好地解读现有信息。