There’s a kind of sadness in the air, but it’s a sadness that makes you feel alive.

But nothing that can be said can begin to take away the anguish and the pain of these moments. Grief is the price we pay for love.

Success is my only motherfuckin' option, failure's not.

Leadership means making tough decisions today that will benefit everyone tomorrow.

物理学的美丽在于它能够用简单解释复杂。