在数学中,你不理解事物。你只是习惯它们。
聪明是一种天赋,善良是一种选择。
Optimism is a learned skill. Once you learn it, you can improve your life in every way.
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.
I went to the woods because I wanted to live deliberately. I wanted to live deep and suck out all the marrow of life. To put to rout all that was not life. And not, when I had come to die, discover that I had not lived.
Education is an admirable thing. But it is well to remember from time to time that nothing that is worth knowing can be taught.