The grand aim of all science is to cover the greatest number of empirical facts by logical deduction from the smallest number of hypotheses or axioms.

It is humankind's duty to respect all life, not only animals have feelings but even also trees and plants.

A scientist is a mimosa when he himself has made a mistake, and a roaring lion when he discovers a mistake of others.

You cannot love a car the way you love a horse. The horse brings out human feelings the way machines cannot do. Things like machines may develop or neglect certain things in people ... Machines make our life impersonal and stultify certain elements in us and create an impersonal environment.

Combinatory play seems to be the essential feature in productive thought.

How can any educated person stay away from the Greeks? I have always been far more interested in them than in science.

If you want to live a happy life, tie it to a goal, not to people or objects.