If you do what you’ve always done, you’ll get what you’ve always gotten.

The most important quality in a man is courage. Without it, the other qualities are worthless.

哲学家们只是用不同的方式解释世界，而问题在于改变世界。

The Worldly Hope men set their Hearts upon Turns Ashes—or it prospers; and anon, Like Snow upon the Desert's dusty Face, Lighting a little hour or two—is gone.

物理定律在宇宙中任何地方都是相同的。