Werner Heisenberg on nature

The more precise the measurement of position, the more imprecise the measurement of momentum, and vice versa.

An expert is someone who knows some of the worst mistakes that can be made in his subject, and how to avoid them.

Whenever we proceed from the known into the unknown we may hope to understand, but we may have to learn at the same time a new meaning of the word “understanding.”

Every day, man is making bigger and better fool-proof things, and every day, nature is making bigger and better fools. So far, I think nature is winning.

Albert Einstein1879–1955

Nature does nothing uselessly.

Aristotle384–322 BCPolitics, Book I, 1253a.8

Nature scarcely ever gives us the very best; for that we must have recourse to art.

Baltasar Gracián1601–1658

• Art