People get into the habit of entrusting the things they desire to wishful thinking, and subjecting things they don't desire to exhaustive thinking
Human nature is the one constant through human history. It is always there.
What made the war inevitable was the growth of Athenian power and the fear which this caused in Sparta.
Hope is an expensive commodity. It makes better sense to be prepared.
It is from the greatest dangers that the greatest glory is to be won.
It is frequently a misfortune to have very brilliant men in charge of affairs. They expect too much of ordinary men.