The most beautiful works of art are those in which necessity and freedom are in perfect balance.

The universe is not only stranger than we imagine, it is stranger than we can imagine.

Sometimes it's better to take a step back and focus on your mental health.

天然气开采的创新是满足世界日益增长的能源需求的关键。

南开校训，意为培养公正与能力兼备的人才，追求不断创新。