Literature is the art of discovering something extraordinary about ordinary people, and saying with ordinary words something extraordinary.
Your self-worth is determined by you. You don't have to depend on someone telling you who you are.
The deepest problems in mathematics often arise from the simplest questions.
一般而言，宗教上的错误是危险的，哲学上的错误只是荒谬的。
采矿技术的创新不是可选的，而是我们对下一代的责任。
"The best way to learn mathematics is to do mathematics."