King of the animals — as thou hast described him — I should rather say king of the beasts, thou being the greatest — because thou hast spared slaying them, in order that they may give thee their children for the benefit of the gullet, of which thou hast attempted to make a sepulchre for all animals; and I would say still more, if it were allowed me to speak the entire truth.

Although human ingenuity may devise various inventions which, by the help of various instruments, answer to one and the same purpose, yet will it never discover any inventions more beautiful, more simple or more practical than those of nature, because in her inventions there is nothing lacking and nothing superfluous; and she makes use of no counterpoise when she constructs the limbs of animals in such a way as to correspond to the motion of their bodies, but she puts into them the soul of the body.

I am never weary of being useful... In serving others I cannot do enough. No labor is sufficient to tire me.

Be a mirror, absorb everything around you and still remain the same

Learning is the only thing the mind never exhausts, never fears, and never regrets.

Realize that everything connects to everything else.

I have been impressed with the urgency of doing.