Our character is not so much the product of race and heredity as of those circumstances by which nature forms our habits, by which we are nurtured and live.
Of all nature's gifts to the human race, what is sweeter to a man than his children?
Virtue is a habit of the mind, consistent with nature and moderation and reason.
An unjust peace is better than a just war.
Peace is liberty in tranquillity.
The only excuse for war is that we may live in peace unharmed.
Liberty consists in the power of doing that which is permitted by the law.
In a republic this rule ought to be observed: that the majority should not have the predominant power.
It is foolish to tear one's hair in grief, as though sorrow would be made less by baldness.
Rightly defined philosophy is simply the love of wisdom.
Live as brave men; and if fortune is adverse, front its blows with brave hearts.
Time destroys the speculation of men, but it confirms nature.
It might be pardonable to refuse to defend some men, but to defend them negligently is nothing short of criminal.
We must conceive of this whole universe as one commonwealth of which both gods and men are members.
If I err in belief that the souls of men are immortal, I gladly err, nor do I wish this error which gives me pleasure to be wrested from me while I live.
There are more men ennobled by study than by nature.
Not cohabitation but consensus constitutes marriage.
Those wars are unjust which are undertaken without provocation. For only a war waged for revenge or defense can be just.
The higher we are placed, the more humbly we should walk.
Nobody can give you wiser advice than yourself.