A man, who can, in cold blood, hunt and torture a poor, innocent animal, cannot feel much compassion for the distress of his own species.

Everybody is using coffee. If possible, this must be prevented. My people must drink beer.

One should never despair too soon.

I have no fault to find with those who teach geometry. That science is the only one which has not produced sects; it is founded on analysis and on synthesis and on the calculus; it does not occupy itself with the probable truth; moreover it has the same method in every country.

Do not neglect the principles of foresight and know that often, puffed up with success, armies have lost the fruit of their heroism through a feeling of false security.

Diplomacy without arms is like a concert without a score

Every man has a wild beast within him.