Topology is the science of fundamental pattern and structural relationships of event constellations.

Nature does have manure and she does have roots as well as blossoms, and you can't hate the manure and blame the roots for not being blossoms.

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

You can never learn less; you can only learn more. The reason I know so much is because I have made so many mistakes.

I look for what needs to be done

You can't change anything by fighting or resisting it. You change something by making it obsolete through superior methods.

The most important part about tomorrow is not the technology or the automation, but that man is going to come into entirely new relationships with his fellow men. He will retain much more in his everyday life of what we term the naïveté and idealism of the child. I think the way to see what tomorrow is going to look like is just to look at our children.