An attempt at visualizing the Fourth Dimension: Take a point, stretch it into a line, curl it into a circle, twist it into a sphere, and punch through the sphere.

I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.

Everything has changed, except our way of thinking.

After a certain high level of technical skill is achieved science and art tend to coalesce in aesthetics, plasticity, and form. The greatest scientists are artists as well.

It is better to believe than to disbelieve; in doing you bring everything to the realm of possibility.

If the bee disappeared off the surface of the globe, then man would have only four years of life left. No more bees, no more pollination, no more plants, no more animals, no more man.

Capitalism has brought with it progress, not merely in production but also in knowledge.