"There are three kinds of intelligence: one kind understands things for itself, the other appreciates what others can understand, the third understands neither for itself nor through others. This first kind is excellent, the second good, and the third kind useless."

"War is just when it is necessary arms are permissible when there is no hope except in arms."

"There is no surer sign of decay in a country than to see the rites of religion held in contempt."

"It is double pleasure to deceive the deceiver."

"Human history becomes more and more a race between education and catastrophe."

"Patience is not passive waiting; it is active endurance with a calm countenance. A lesson woven into the fabric of human history."

"He who conquers his inner doubts has already won half the war. A lesson woven into the fabric of human history — an essential principle for the reflective life."

"Antiquities are history defaced, or some remnants of history which have casually escaped the shipwreck of time."