Thucydides

"The strong do what they can and the weak suffer what they must."

"Ignorance is strength."

"The real evils of life are such as to make people wish for death."

"It is a habit of mankind to entrust to careless hope what they long for, and to use sovereign reason only on questions they have already defined as insoluble."

"Wars spring from unseen and generally insignificant causes."

"The secret to happiness is freedom. The secret to freedom is courage."

"The bravest are surely those who have the clearest vision of what lies before them."

"It is impossible not to desire to have the same things as others have."

"The absence of witnesses does not absolve the sinner."

"Great things are won by great dangers."

"Justice will only be achieved when those who are not injured by crime feel as indignant as those who are."

"The best security for peace is a strong military."

"Pleasure is the absence of pain."

"In a great city, great abuses will occur."

"The human misery is the price of technological progress."

"Success is not final, failure is not fatal."

"The strong must be just to the weak."

"History is a set of lies agreed upon."

"Men are not moved by things, but by the views which they take of them."

"I would rather face a bitter ending than an endless bitterness."

"A nation that draws too broad a difference between its scholars and its warriors will have its thinking done by cowards and its fighting done by fools."

"The ability to think straight is based on the ability to see straight."

"Fear is the parent of cruelty."

"An act of kindness is the greatest power."

"Those who aspire to greatness must first master humility."

"The friendship between two nations, the same as between two individuals, must be founded on interest."

"In public as in private life, he is wise who is able to recognize weakness and strength."

"Men naturally love the risk of their own souls."

"The cause of the Peloponnesian War was the growth of Athenian power and the fear this caused in Sparta."

"If we are to save our nation, we must recognize that both tyranny and democracy can be corrupting."