无铬是不够的;我们需要无愧于心。
过去是一个跟随我们的影子,但决定它是否会遮蔽我们未来的是我们自己。
If you don’t believe in yourself, no one else will.
In mathematics, the art of proposing a question must be held of higher value than solving it.
The best way to predict the future is to create it.