Fools make researches and wise men exploit them.
If we don't end war, war will end us.
Strength is the outcome of need; security sets a premium on feebleness.
Nothing leads so straight to futility as literary ambitions without systematic knowledge.
It's no use locking the door after the steed is stolen.
'It is love and reason,' I said, 'fleeing from all this madness of war.'