Leonardo da Vinci

“The greatest deception men suffer is from their own opinions. ”
- Leonardo da Vinci

“I have been impressed with the urgency of doing. Knowing is not enough; we must apply. Being willing is not enough; we must do. ”
- Leonardo da Vinci

“Art is never finished, only abandoned. ”
- Leonardo da Vinci

“There are three classes of people: those who see. Those who see when they are shown. Those who do not see. ”
- Leonardo da Vinci

“Where the spirit does not work with the hand there is no art ”
- Leonardo da Vinci

“Time stays long enough for anyone who will use it. ”
- Leonardo da Vinci

“Why does the eye see a thing more clearly in dreams than the imagination when awake? ”
- Leonardo da Vinci

“Iron rusts from disuse; water loses its purity from stagnation ... even so does inaction sap the vigour of the mind. ”
- Leonardo da Vinci

“The noblest pleasure is the joy of understanding. ”
- Leonardo da Vinci

“While I thought that I was learning how to live, I have been learning how to die. ”
- Leonardo da Vinci

“The greatest deception men suffer is from their own opinions. ”
- Leonardo da Vinci

“It's easier to resist at the beginning than at the end. ”
- Leonardo da Vinci

“Learning never exhausts the mind. ”
- Leonardo da Vinci

“Nature never breaks her own laws. ”
- Leonardo da Vinci

“The truth of things is the chief nutriment of superior intellects. ”
- Leonardo da Vinci

“All our knowledge has its origins in our perceptions. ”
- Leonardo da Vinci

“Blinding ignorance does mislead us. O! Wretched mortals, open your eyes! ”
- Leonardo da Vinci

“He who loves practice without theory is like the sailor who boards ship without a rudder and compass and never knows where he may cast. ”
- Leonardo da Vinci

“In rivers, the water that you touch is the last of what has passed and the first of that which comes; so with present time. ”
- Leonardo da Vinci

“As every divided kingdom falls, so every mind divided between many studies confounds and saps itself. ”
- Leonardo da Vinci

“People react to fear, not love - they don't teach that in Sunday School, but it's true. ”
- Leonardo da Vinci

“Beyond a doubt truth bears the same relation to falsehood as light to darkness. ”
- Leonardo da Vinci

“Human subtlety will never devise an invention more beautiful, more simple or more direct than does nature because in her inventions nothing is lacking, and nothing is superfluous. ”
- Leonardo da Vinci

“As a well spent day brings happy sleep, so a life well spent brings happy death. ”
- Leonardo da Vinci

“Learning acquired in youth arrests the evil of old age; and if you understand that old age has wisdom for its food, you will so conduct yourself in youth that your old age will not lack for nourishment. ”
- Leonardo da Vinci

“Anyone who conducts an argument by appealing to authority is not using his intelligence; he is just using his memory. ”
- Leonardo da Vinci

“Experience does not err. Only your judgments err by expecting from her what is not in her power. ”
- Leonardo da Vinci

“Although nature commences with reason and ends in experience it is necessary for us to do the opposite, that is to commence with experience and from this to proceed to investigate the reason. ”
- Leonardo da Vinci