If it had not been for the pernicious power of envy, men would not so have exalted vengeance above innocence and profit above justice... in these acts of revenge on others, men take it upon themselves to begin the process of repealing those general laws of humanity which are there to give a hope of salvation to all who are in distress.
ThucydidesAthens' biggest worry was the sheer recklessness of its own democratic government. A simple majority of the citizenry, urged on and incensed by clever demagogues, might capriciously send out military forces in unnecessary and exhausting adventures.
ThucydidesThey are surely to be esteemed the bravest spirits who, having the clearest sense of both the pains and pleasures of life, do not on that account shrink from danger.
Thucydides