Don't let anyone tell you what you can't do.
不要让任何人告诉你你不能做什么。
"Books are the quietest and most constant of friends."
The most important quality in a man is courage. Without it, the other qualities are worthless.
找到可能性的极限的唯一方法就是超越它们进入不可能。
We shall not cease from exploration, and the end of all our exploring will be to arrive where we started and know the place for the first time.