你知道的越多,你就越意识到你不知道的越多。
海洋的健康反映了人类的健康。
It is not the mountain we conquer, but ourselves.
The child is not a passive recipient of knowledge but an active participant in the learning process.
儿童不是知识的被动接受者,而是学习过程的积极参与者。
我们都是小虫。但我是发着光的小虫。
史记
The key to progress in science is persistence and an open mind.