The greatest step forward would be to see that everything factual is already theory. The blueness of the sky reveals the basic lawof chromatics. Don't look for anything behind the phenomena, they themselves are the doctrine.

One always has time enough, if one will apply it well.

When I say to the Moment flying; 'Linger a while -- thou art so fair!' Then bind me in thy bonds undying, And my final ruin I will bear!

There is nothing more frightful than for a teacher to know only what his scholars are intended to know.

The artist may be well advised to keep his work to himself till it is completed, because no one can readily help him or advise him with it... but the scientist is wiser not to withhold a single finding or a single conjecture from publicity.

If you are convinced of a matter, you must take sides or you don't deserve to succeed.

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.