Leonardo da Vinci

"Movement is the only argument against the miseries of existence."

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

"Simplicity is the ultimate sophistication."

"If you do not have patience, what else can you create."

"I have been impressed with the urgency of doing. Knowing is not enough; we must apply."

"The capacity to learn is a gift; the ability to learn is a skill; the willingness to learn is a choice."

"Poor is the pupil who does not surpass his master."

"Nature never wears the same expression twice."

"Time stays long enough for those who use it."

"The truth of things is the chief nutriment of superior intellects."

"A life well lived is a long thought."

"The clever mind may understand complex things, but the wise mind understands simplicity."

"Mathematics is the alphabet in which God has written the universe."

"Perfection is not just about control. It's also about letting go."

"In the arena of human life, the honors and rewards fall to those who show their good qualities in action."

"The eye that truly sees is more powerful than two hands."

"Life is pretty simple: You do some stuff. Most fails. Some works. You do more of what works."

"Hunger is the best seasoning for food."

"Remember that food which is left unconsumed rots and becomes a source of ill health rather than well-being."

"Where there is shouting, there is no true knowledge."

"The knowledge of all things is possible."

"Leave nothing to chance."

"It is forbidden to forbid understanding."

"The human intellect will be the final judge of all philosophical matters."

"I am always doing that which I cannot do, in order that I may learn how to do it."

"Anyone who conducts an argument by appealing to authority is not using intelligence; he is just using memory."

"Necessity is the mistress and guide of nature."

"Small rooms or dwellings set the mind in a concentrating mood; large ones cause it to become distracted."

"Once you have tasted flight, you will forever walk the earth with your eyes turned skywards."

"There is no greater or lesser evil in the world, only different perspectives."