Isaac Newton

"Nature and nature's laws lay hid in night; God said 'Let Newton be' and all was light."

"All motion is of equal importance to me; the motion of a feather and the motion of a planet."

"Time is the measure of motion, and motion is measured by time."

"I see the universe as a riddle wrapped in an enigma."

"The future belongs to those who believe in the beauty of their dreams."

"Every action has consequences; plan accordingly."

"In the absence of any other proof, the thumb alone would convince me of God's existence."

"Questions are not settled by counting hands but by strength of argument."

"The natural world is a machine governed by mathematical laws."

"Understanding nature requires both observation and reason."

"A man may imagine things that are false, but he can only understand things that are true."

"Empiricism without theory is empiricism; theory without empiricism is idealism."

"The beauty of science is in its logical progression."

"To understand the universe, one must understand its language—mathematics."

"What if gravity is not a force but a property of space itself?"

"The greatest invention is the human capacity to learn."

"I build no hypotheses; what the phenomena declares, I state."

"Age and experience bring wisdom, not years alone."

"The path to discovery is paved with failed experiments."

"Motion cannot exist without matter, nor matter without space."

"Every problem contains within itself the seeds of its own solution."

"What we call chance is only ignorance of causes."

"The smallest truths lead to the greatest discoveries."

"Time exists not as an absolute but as a measure of relationships."

"I do not deal in conjecture; only in what can be demonstrated."

"The cosmos is not chaotic but orderly, arranged by eternal laws."

"Certainty comes not from belief but from proof."

"The pursuit of knowledge requires the abandonment of pride."

"Space is the sensorium of God."

"All matter attracts all other matter with a force proportional to their masses."