He who understands Archimedes and Apollonius will admire less the achievements of the foremost men of later times.
Nothing is more important than to see the sources of invention which are, in my opinion more interesting than the inventions themselves.
Music is the pleasure the human mind experiences from counting without being aware that it is counting.
The art of discovering the causes of phenomena, or true hypotheses, is like the art of deciphering, in which an ingenious conjecture often greatly shortens the road.
In symbols one observes an advantage in discovery which is greatest when they express the exact nature of a thing briefly and, as it were, picture it; then indeed the labor of thought is wonderfully diminished.
