“Men are wise in proportion, not to their experience, but to their capacity for experience.”

“We learn from experience that men never learn anything from experience.”

“If history repeats itself, and the unexpected always happens, how incapable must Man be of learning from experience.”

“We are made wise not by the recollection of our past, but by the responsibility for our future.”

“Wise kings wear shabby clothes, and leave the gold lace to the drum major.”

“All classes in proportion to their lack of travel and familiarity with foreign literature are bellicose, prejudiced against foreigners, fond of fighting as a cruel sport -- in short, dog-like in their notions of foreign policy."[Quoted in Socialism and Foreign Policy and War and the Liberal Conscience]”

“Liberty means responsibility. That is why most men dread it.”