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A teacher must have a healthy body, the skills of a farmer, the mind of a scientist, the interest in art, and the spirit of social reform.
To understand chemistry at its most fundamental level, we must look at the dance of electrons in molecules.
我不知道。有时候当我感觉快哭出来的时候,往往会演变成一种几乎想笑的冲动。那一定是我当时的真实感受,因为我笑了,几乎咯咯咯地笑了。
The beauty of literature lies in its ability to connect us across time and space.