People should think things out fresh and not just accept conventional terms and the conventional way of doing things.

Don't fight forces, use them.

That which is communicated, i.e., understood, is metaphysical. The means of communication is physical.

There is enough for everyone. People think that there isn't enough, so they get as much as they can, so many people don't have enough.

Education by choice, with its marvelous motivating psychology of desire for truth, will make life ever cleaner and happier, more rhythmical and artistic.

I'm not trying to copy Nature, I'm trying to find the principles she's using.

Integrity is the essence of everything successful.