Nature puts no question and answers none which we mortals ask. She has long ago taken her resolution.

Life consists with wildness. The most alive is the wildest. Not yet subdued to man, its presence refreshes him.

On the death of a friend, we should consider that the fates through confidence have devolved on us the task of a double living, that we have henceforth to fulfill the promise of our friend's life also, in our own, to the world.

I have great faith in a seed.

We should never stand upon ceremony with sincerity. We should never cheat and insult and banish one another by our meanness, if there were present the kernel of worth and friendliness. We should not meet thus in haste.

The volatile truth of our words should continually betray the inadequacy of the residual statement.

Man cannot afford to be a naturalist, to look at Nature directly, but only with the side of his eye. He must look through and beyond her.