最大多数人的最大幸福是道德和立法的基础。
It always seems impossible until it's done.
Innovation in energy must balance environmental responsibility with economic viability.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
对的就说是对的，错的就说是错的，就是所谓的正直。
译文：把读书看成功业，用一生的时间去做，自然就会得到读书带来的乐趣；心存善念，多做善事，不必去争那些乐善好施的虚名。赏析：读书和做善事一样，不必在乎那些功利的想法。读书应该用心，读书的乐趣不是用金钱的多少来衡量的。做好事，只要问心无愧，不必非得让别人知道。
The best way to predict the future is to invent it.