Quotes from Leonardo da Vinci

No human investigation can be called real science if it cannot be demonstrated mathematically.

Therefore, O students, study mathematics and do not build without foundations.

There is no result in nature without a cause; understand the cause and you will have no need of the experiment.

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.

Study the science of art and the art of science.

The body of the earth is of the nature of a fish... because it draws water as its breath instead of air.

Mechanics is the paradise of the mathematical sciences because by means of it one comes to the fruits of mathematics.

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.

Whatever you think matters - doesn't. Follow this rule, and you will add decades to your life. Rodger Rosenblatt As a well spent day brings happy sleep, so life well used brings happy death.

He who truly knows has no occasion to shout.

Art lives from constraints and dies from freedom.

once you have tasted the taste of sky, you will forever look up

Just as courage imperils life, fear protects it.

He who thinks little errs much.

The beginnings and ends of shadow lie between the light and darkness and may be infinitely diminished and infinitely increased. Shadow is the means by which bodies display their form. The forms of bodies could not be understood in detail but for shadow.

Painting is concerned with all the 10 attributes of sight; which are: Darkness, Light, Solidity and Colour, Form and Position, Distance and Propinquity, Motion and Rest.

To such an extent does nature delight and abound in variety that among her trees there is not one plant to be found which is exactly like another; and not only among the plants, but among the boughs, the leaves and the fruits, you will not find one which is exactly similar to another.

You will never have a greater or lesser dominion than that over yourself...the height of a man's success is gauged by his self-mastery; the depth of his failure by his self-abandonment. ...And this law is the expression of eternal justice. He who cannot establish dominion over himself will have no dominion over others.

The time will come when men such as I will look upon the murder of animals as they now look on the murder of men.

The artist sees what others only catch a glimpse of.

life without love, is no life at all

Realize that everything connects to everything else.

Make your work to be in keeping with your purpose

An average human looks without seeing, listens without hearing, touches without feeling, eats without tasting, moves without physical awareness, inhales without awareness of odour or fragrance, and talks without thinking.