A true leader must be able to listen to the voices of the people.
真正的领导者必须能够倾听人民的声音。
I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish.
数学不是一项观赏性运动；要理解它，必须积极参与其中。
办一件事都不能善始善终，就不要做很多事。