The history of knowledge is a great fugue in which the voices of the nations one after the other emerge.

The Primal Plant is going be the strangest creature in the world, which Nature herself must envy me. With this model and the key to it, it will be possible to go on for ever inventing plants and know that their existence is logical; that is to say, if they do not actually exist, they could, for they are not the shadowy phantoms of a vain imagination, but possess an inner necessity and truth. The same law will be applicable to all other living organisms.

Animals, we have been told, are taught by their organs. Yes, I would add, and so are men, but men have this further advantage that they can also teach their organs in return.

War is in truth a disease in which the juices that serve health and maintenance are used for the sole purpose of nourishing something foreign, something at odds with nature.

The decline of literature indicates the decline of a nation.

Wherever a man may happen to turn, whatever a man may undertake, he will always end up by returning to that path which nature has marked out for him.

If it is the greatest truth that you seek, the plants can direct you.