二十世纪的伟大斗争是自由主义与极权主义之间的斗争。
大自然将人类置于两位至高无上的主宰之下，痛苦和快乐。
生命之援助，这就是教育。
Twenty years of romance make a woman look like a ruin; but twenty years of marriages make her look like a public building.
We are all just trying to find our way in the dark.
Science is the most powerful tool for human beings to understand and transform the world.
Life is a long farewell.
