Don’t ask yourself what the world needs. Ask yourself what makes you come alive and then go do that， because what the world needs is people who have come alive.

Life is short, and it's up to you to make it sweet.

学习是系统中产生的任何变化，这种变化或多或少会永久性地改变其适应环境的能力。

I don't sing for money, I sing for love.

数学之美在于它是人类少数几个可以知晓绝对真理的领域之一。