Sustainability isn't an option anymore - it's our responsibility to future generations.
If you're not willing to fail, you're not ready to succeed.
发现不是一条直线；它充满了曲折和惊喜。
Mathematics is the language in which God has written the universe.
The purpose of government is to help those who cannot help themselves.
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.