把自己看得太高了，便不能长进；把自己看得太低了，便不能振兴。
译文：高看自己，事事就很难有长进；低看自己，事事就不能成功。赏析：不管何时，我们不能骄傲自大，目空一切，更不能自暴自弃，妄自菲薄，畏首畏尾。骄傲自满会让人失去理智，自轻自贱会让人失去自信，这两种极端的处事态度对我们的人生都是不利的。
书籍是理解世界和我们自己的钥匙。
The truth is never just one thing; it is always several things at once.
Life is too short to be anything but happy.
地球是有生命的这一想法处于科学可信度的边缘，但并未超出其范围。
The best way to predict the future is to invent it.
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."