Depth and strength of a human character are defined by its moral reserves. — Leonardo da Vinci Copy Share Image
No human investigation can be called real science if it cannot be demonstrated mathematically. — Leonardo da Vinci Copy Share Image
How painting surpasses all human works by reason of the subtle possibilities which it contains. — Leonardo da Vinci Copy Share Image
No human investigation can claim to be scientific if it doesn't pass the test of mathematical proof. — Leonardo da Vinci Copy Share Image
One day the world will look upon research upon animals as it now looks upon research on human beings. — Leonardo da Vinci Copy Share Image
The eye is the window of the human body through which it feels its way and enjoys the beauty of the world. — Leonardo da Vinci Copy Share Image
The knowledge of the past times and of the places of the earth is both an ornament and nutriment to the human… — Leonardo da Vinci Copy Share Image
The soul is content to stay imprisoned in the human body... for through the eyes all the various things of nature are… — Leonardo da Vinci Copy Share Image
The human bird shall take his first flight, filling the world with amazement, all writings with his fame, and bringing eternal glory… — Leonardo da Vinci Copy Share Image
Every action needs to be prompted by a motive. To know and to will are two operations of the human mind. Discerning,… — Leonardo da Vinci Copy Share Image
O admirable necessity! O powerful action! What mind can penetrate your nature? What language can express this marvel? None, to be sure.… — Leonardo da Vinci Copy Share Image
An infinite number of men will sell publicly and unhindered things of the very highest price, without leave from the Master of… — Leonardo da Vinci Copy Share Image
The art of procreation and the members employed therein are so repulsive, that if it were not for the beauty of the… — Leonardo da Vinci Copy Share Image
“An average human looks without seeing, listens without hearing, touches without feeling, eats without tasting, moves without physical awareness, inhales without awareness… — Leonardo da Vinci Copy Share Image
Experience, the interpreter between creative nature and the human race, teaches the action of nature among mortals: how under the constraint of… — Leonardo da Vinci Copy Share Image
The merit of painting lies in the exactness of reproduction. Painting is a science and all sciences are based on mathematics. No… — Leonardo da Vinci Copy Share Image
I have found that, in the composition of the human body as compared with the bodies of animals, the organs of sense… — Leonardo da Vinci Copy Share Image
In whatever system where the weight attached to the wheel should be the cause of motion of the wheel, without any doubt… — 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
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
