仅仅活着是不够的，还需要有阳光、自由，和一点花的芬芳。

You can’t go back and change the beginning, but you can start where you are and change the ending.

Always keep your knife sharp, your wits sharper, and your spirit sharpest.

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.

La memoria es el territorio donde habita la poesía.

君子做学问，目的是为了明白道理，拯救社会。