Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

The most important thing in science is not to solve problems, but to ask the right questions.

如果允许我们在这个世界上长生不老，试问谁愿意接受这件不吉祥的礼物？

我们都在网格上，网格无处不在。