Every observation brings us closer to answering fundamental questions about the cosmos.

The free, exploring mind of the individual human is the most valuable thing in the world.

永远不要停止学习——当你认为自己什么都懂的那一刻，就是你落后的开始。

知识若不付诸实践，便毫无价值。

Sustainability is not about doing less harm - it's about doing more good.

解释：人不博览群书，不了解古今，不能识别世间事物，不知道是与非，就像盲人看不到颜色 、聋人听不到声音、鼻塞的人闻不到花香一样啊。