We use mathematics to understand the markets, not to predict them.

I'm not a time, I'm a space.

The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.

生活中唯一不变的就是变化，我们必须拥抱它。