Changing the destructive things you say to yourself when you experience the setbacks that life deals all of us is the central skill of optimism.
在数学中，你不理解事物。你只是习惯了它们。
记忆是我们不断告诉自己我们的故事的方式——并且告诉别人一个稍微不同版本的故事。
The beauty of mathematics lies in its simplicity and depth.
A red rose is not selfish because it wants to be a red rose. It would be horribly selfish if it wanted all the flowers in the garden to be both red and roses.
重要的不是拥有你想要的，而是珍惜你已拥有的。
错误不会因为多数人参与就停止成为错误。