Quotes by Leonardo da Vinci

While I thought that I was learning how to live, I have been learning how to die.

Learning never exhausts the mind.

All our knowledge has its origins in our perceptions.

Where there is shouting, there is no true knowledge.

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

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

Just as courage imperils life, fear protects it.

Our life is made by the death of others.

As a well-spent day brings happy sleep, so a life well spent brings happy death.

He who is fixed to a star does not change his mind.