To explain all nature is too difficult a task for any one man or even for any one age. 'Tis much better to do a little with certainty, & leave the rest for others that come after you, than to explain all things by conjecture without making sure of any thing.
We do not belong to those who have ideas only among books, when stimulated by books. It is our habit to think outdoors — walking, leaping, climbing, dancing.
The reality of the other person is not in what he reveals to you, but in what he cannot reveal to you. Therefore, if you would understand him, listen not to what he says but rather to what he does not say.
We send thanks to all the Animal life in the world. They have many things to teach us people. We are glad they are still here and we hope it will always be so.