The best design is the simplest one that works.

Do not grow old, no matter how long you live. Never cease to stand like curious children before the Great Mystery into which we were born.

God is a scientist, not a magician.

Overpopulation in various countries has become a serious threat to the health of people and a grave obstacle to any attempt to organise peace on this planet

The measure of intelligence is the ability to change.

Out of clutter, find simplicity.

The scientist finds his reward in what Henri Poincare calls the joy of comprehension, and not in the possibility of application to which any discovery may lead.