Cases Quote by Hermann Bondi

We went to the moon using just Newton's laws of motion and gravity. Newtonian dynamics we call it. So then we find out, "Well,…

— Neil deGrasse Tyson

I don't want to give advice to people about their religious beliefs, but I do think that it's not smart to bet against the…

— Sean M. Carroll

“Mathematics is not a science from our point of view, in the sense that it is not a natural science. The test of its…

— Richard P. Feynman

The fundamental principle of science, the definition almost, is this: the sole test of the validity of any idea is experiment.

— Richard P. Feynman

One had to be a Newton to notice that the moon is falling, when everyone sees that it doesn't fall.

— Paul Valery

Going to the moon is not a matter of physics but of economics.

— John R. Platt

Newton supposed that all matter attracted other matter inversely according to the square of the distance; and the hypothesis was found to account for…

— James McCosh

Experiment is the sole judge of the validity of any idea.

— Richard P. Feynman

The test is can you do something, rather than have a theoretical argument - can you make a difference?

— Johann Lamont

No human investigation can claim to be scientific if it doesn't pass the test of mathematical proof.

— Leonardo da Vinci

“It is never a question of belief ; the only scientific attitude one can take on any subject is whether it is true .…

— Paramahansa Yogananda

Upon consideration of the central question of the moon's toughness there can be little doubt. It is hella tough.

— Plato