Quotes by Leonardo Da Vinci

Why does the eye see a thing more clearly in dreams than the imagination when awake?

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.

Experience does not err. Only your judgments err by expecting from her what is not in her power.

Just as courage imperils life, fear protects it.

I have offended God and mankind because my work didn't reach the quality it should have.

Marriage is like putting your hand into a bag of snakes in the hope of pulling out an eel.

Why does the eye see a thing more clearly in dreams than the imagination when awake?

Anyone who conducts an argument by appealing to authority is not using his intelligence he is just using his memory.

All our knowledge has its origins in our perceptions.

Where there is shouting, there is no true knowledge.