可持续性不是一种选择；而是我们对后代的责任。
"The pursuit of knowledge is not just a journey of the mind, but also of the heart."
Mathematics is the language in which the universe is written.
I'm the reason your wife can't breathe.
Money is a singular thing. It ranks with love as man's greatest source of joy. And with death as his greatest source of anxiety.
The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.