Louis Pasteur

"The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do."

"What I have done, any man can do."

"The beauty of science is that it works."

"Aspiration must exceed expectation."

"The laws of nature are written in the language of mathematics."

"Science is not only a disciple of reason but also of romance and passion."

"The role of the infinitely small in nature is infinitely large."

"Fortune favors the prepared mind in all endeavors."

"In the fields of observation, chance favors only the mind that is prepared."

"A man of science should think like a poet and dream like a philosopher."

"The greatest deception men suffer is from their own opinions."

"Work brings forth the best in human character and dignity."

"Without passion, there can be no true discovery or innovation."

"The microbe is nothing; the terrain is everything."

"Perseverance is not a long race; it is many short races one after the other."

"A grateful heart is the beginning of all virtue and wisdom."

"Do not let the future be held hostage by the past."

"Imagination is as vital to the scientist as to the poet."

"The barriers between nations must be broken down by the advancement of knowledge."

"Health is a state of complete harmony between body, mind, and spirit."

"Mediocrity knows nothing higher than itself, but talent instantly recognizes genius."

"The greatest revolutions often come from the smallest discoveries."

"To teach is to learn twice over."

"A kind word from a great mind is a precious gift to humanity."

"Let me tell you the secret that has led me to my goal: my only strength lies in my tenacity."

"Failures are the stepping stones to success when approached with the right spirit."

"The beauty of science lies in its eternal questioning of truth."

"Fear is the enemy of progress and the servant of ignorance."

"In every great achievement, there is a moment of faith that precedes proof."

"The artist sees what others merely look at; the scientist sees what others cannot perceive."