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.
只管走过去,不必逗留着采了花朵来保存,因为一路上花朵自会继续开放的。
"我不是一个声音,我是一个词。"
The future of medicine lies in understanding chemistry at the molecular level.