Quotations by Author

Leonardo Da Vinci

We know more about the movement of celestial bodies than about the soil underfoot.

Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind.

The noblest pleasure is the joy of understanding.

Where there is shouting, there is no true knowledge.

Anyone who in discussion relies upon authority uses, not his understanding, but his memory.