More Quotes by Leonardo da Vinci
Nature is the source of all true knowledge. She has her own logic, her own laws, she has no effect without cause nor invention without necessity.
I am not poor. Poor are those who desire many things.
Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind.
Learning is the only thing the mind never exhausts, never fears, and never regrets.
I'm not contented to capture the world. I want to change it.
If you find from your own experience that something is a fact and it contradicts what some authority has written down, then you must abandon the authority and base your reasoning on your own findings.
Most men are of naught more use in their lives but as machines for turning food into sh*t.
There is nothing which deceives us as much as our own judgement.
Learning is the only thing that never disappoints us.
The greatest deception men suffer is from their own opinions.
