Nature must be experienced through feeling.
自然必须通过感受来体验。
我坚信统治阶级的哲学，尤其是我统治的时候。
The heart of the educator must be a living flame, a fire that can ignite the souls of the young.
The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.
I don't believe in inspiration, I believe in work.
Every scientific discovery is a new dialogue with nature, bringing us closer to the mysteries of the universe.
The most important tool in chemistry is not the flask or the spectrometer—it's the imagination.