I don't believe in retirement. I believe in continuing to work as long as you're able.
数学的美在于它能够以最优雅和简洁的方式描述宇宙。
Your time is limited, so don’t waste it living someone else’s life.
Be the hero of your own story.
相信自己和你所拥有的一切。
Life is short, and it's up to you to make it sweet.