[H]istory assures us that civilizations decay quite leisurely.
Power dements even more than it corrupts, lowering the guard of foresight and raising the haste of action.
The great snare of thought is uncritical acceptance of irrational assumptions.
The individual succumbs, but he does not die if he has left something to mankind.
Education is the transmission of civilization.
History reports that the men who can manage men manage the men who can manage only things, and the men who can manage money manage all.