1. Science itself has poetry. ——Spencer

2. Those who govern science must rely on historical materials; and those who govern history must also have scientific knowledge. ——Wang Guowei

3. Science is by no means an easy undertaking, and only persevering wise men are suitable for engaging in science. ——Montaigne

4. Science and freedom of thought are inseparable. ——Zhang Dainian

5. The value of science cannot be measured from a utilitarian economic perspective. It is more of a pure impulse, a pure fantasy, or a spirit.

——Weng Bao