Profit should never come at the cost of the planet’s future.

Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.

解释：君子所说的话，可靠而且有证据。

The only real music is the music of the heart.

Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them—and then, the opportunity to choose.

You have to trust the process and believe in yourself.

在学习结束时，我们知道物理学的所有过去，但对现在和未来一无所知。