One of the great mistakes is to judge policies and programs by their intentions rather than their results.
Life is too short to be anything but happy.
在数学中,你不理解事物。你只是习惯它们。
你不能害怕失败,这是成功的唯一途径。
给我一个支点,我就能撬动地球。
获得朋友的唯一方法就是先成为朋友。