Leonardo da Vinci on art and science

To develop a complete mind: Study the science of art; Study the art of science.  Learn how to see.  Realize that everything connects to everything else.

~ Leonardo da Vinci

Leonardo da Vinci on vision

There are three classes of people: those who see, those who see when they are shown, those who do not see.

~ Leonardo da Vinci

Leonardo da Vinci on liberty

The chief gift of nature is liberty. 

~ Leonardo da Vinci as quoted by Will Durant in The Renaissance, Volume V of The Story of Civilization

Leonardo da Vinci on truth

The truth of things is a supreme food for fine intelligences, but not for wandering wits. 

~ Leonardo da Vinci as quoted by Will Durant in The Renaissance, Volume V of The Story of Civilization