Mathematics is the art of giving the same name to different things.
Love is the most intense form of attention.
The people have a right to the truth as they have a right to life, liberty and the pursuit of happiness.
The best time to buy stocks is when they are out of favor.
Sometimes the most important experiments are the ones that fail, because they teach us what doesn't work.
过去是一个陌生的国度；那里的人做事方式不同。