Whoever in debate quotes authority uses not intellect, but memory. — Leonardo da Vinci Copy Share Image
He who in reasoning cites authority is making use of his memory rather than of his intellect. — Leonardo da Vinci Copy Share Image
I have from an early age abjured the use of meat, and the time will come when men such as I will… — Leonardo da Vinci Copy Share Image
The painter who draws by practise and judgment of the eye without the use of reason is like the mirror which reproduces… — Leonardo da Vinci Copy Share Image
Although human ingenuity may devise various inventions which, by the help of various instruments, answer to one and the same purpose, yet… — Leonardo da Vinci Copy Share Image
He who wishes to see how the soul inhabits the body should look to see how that body uses its daily surroundings.… — Leonardo da Vinci Copy Share Image
The men of experiment are like the ant; they only collect and use. But the bee...gathers its materials from the flowers of… — Leonardo da Vinci Copy Share Image
Just as iron rusts from disuse, and stagnant water putrefies, or when cold turns to ice, so our intellect wastes unless it… — Leonardo da Vinci Copy Share Image
Just as iron which is not used grows rusty, and water putrefies and freezes in the cold, so the mind of which… — Leonardo da Vinci Copy Share Image
Never make heads straight on the shoulders, but turn them aside to the right or to the left, even though they look… — Leonardo da Vinci Copy Share Image
Men and words are ready made, and you, O Painter, if you do not know how to make your figures move, are… — Leonardo da Vinci Copy Share Image
The acquisition of knowledge is always of use to the intellect, because it may thus drive out useless things and retain the… — Leonardo da Vinci Copy Share Image
Most men are of naught more use in their lives but as machines for turning food into sh*t. — Leonardo da Vinci Copy Share Image
If anyone wishes to see how the soul dwells in its body, let him observe how this body uses its daily habitation;… — Leonardo da Vinci Copy Share Image
The evil which does me no harm is like the good which in no wise avails me. — Leonardo da Vinci Copy Share Image
A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light. — Leonardo da Vinci Copy Share Image
An arch consists of two weaknesses which, leaning one against the other, make a strength. — Leonardo da Vinci Copy Share Image
But to me all sciences seem vain and full of error that are not born of experience, mother of all certainty, and do not… — Leonardo da Vinci Copy Share Image
It is ordained that to the ambitious, who derive no satisfaction from the gifts of life and the beauty of the world, life shall… — Leonardo da Vinci Copy Share Image
Be a mirror, absorb everything around you and still remain the same — Leonardo da Vinci Copy Share Image
Human subtlety will never devise an invention more beautiful, more simple or more direct than does nature because in her inventions nothing is lacking,… — Leonardo da Vinci Copy Share Image
People reveal themselves completely only when they are thrown out of the customary conditions of their life. — Leonardo da Vinci Copy Share Image
