Louis Pasteur

"Become a scientist, young man, but remember that science is not a collection of laws, a catalogue of unrelated facts. It is a creation of the human mind, with its freely invented ideas and concepts."

"The only thing that stands between a man and what he wants from life is often merely the will to try it and the faith to believe that it is possible."

"Life is not a state of being, but a way of going."

"The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together."

"There is something in the world that is very important and very rare: the love of truth."

"Let us think the unthinkable, let us do the undoable, let us prepare ourselves for the unknown."

"Skepticism is the highest of duties; blind faith the one unpardonable sin."

"Knowledge is power, but enthusiasm pulls the switch."

"The greatest crimes are those committed in the name of religion."

"A theory is nothing if not backed by experiments."

"The mind creates a reality within the reality that exists."

"Great discoveries do not come from following others' paths, but from the courage to forge one's own."

"Art is the search for the divine."

"Persistence in the face of all obstacles is a fundamental law of nature."

"Do not fear the unknown. It is an opportunity."

"A discovery is a beginning, not an ending."

"In science there are no shortcuts to truth."

"The wonders of the living world belong to the careful observer."

"Peace comes from understanding, and understanding requires knowledge."

"Physicians should be priests of hope."

"Teaching is the one profession that creates all other professions."

"Sleep is the mother of all wisdom."

"The experimental method is the universal method of all the sciences."

"Genius is patience."

"To recognize a disease is half the battle toward curing it."

"An unfulfilled life is not a life lived."

"The greatest men of science are artists as well."

"Discoveries are not made by lazy men."

"In every conceivable manner, the family is link to our past, bridge to our future."

"Gratitude is the memory of the heart."