"You have to study a great deal to know a little."

“I acknowledge that history is full of religious wars: but we must distinguish; it is not the multiplicity of religions which has produced wars; it is the intolerant spirit animating that which believed itself in the ascendant.”

“There are only two cases in which war is just: first, in order to resist the aggression of an enemy, and second, in order to help an ally who has been attacked.”

“Not to be loved is a misfortune, but it is an insult to be loved no longer.”

“will make the king believe that three are only one, that the bread he eats is not bread...and a thousand other things of the same kind.”

“The laws of Rome had wisely divided public power among a large number of magistracies, which supported, checked and tempered each other. Since they all had only limited power, every citizen was qualified for them, and the people — seeing many persons pass before them one after the other — did not grow accustomed to any in particular. But in these times the system of the republic changed. Through the people the most powerful men gave themselves extraordinary commissions — which destroyed the authority of the people and magistrates, and placed all great matters in the hands of one man, or a few.”

“In a free nation, it matters not whether individuals reason well or ill; it is sufficient that they do reason. Truth arises from the collision and from hence springs liberty, which is a security from the effects of reasoning.”