Nature has granted the use of life like a loan, without fixing any day for repayment.
Philosophy is the true mother of science.
The thirst of desire is never filled, nor fully satisfied.
All literature, all philosophical treatises, all the voices of antiquity are full of examples for imitation, which would all lie unseen in darkness without the light of literature...
A man has no enemy worse than himself.
Nothing is more praiseworthy, nothing more suited to a great and illustrious man than placability and a merciful disposition.
Armed forces abroad are of little value unless there is prudent counsel at home.
The purpose of education is to free the student from the tyranny of the present.
The avarice of the old: it’s absurd to increase one’s luggage as one nears the journey’s end.
You might as well take the sun out of the sky as friendship from life: for the immortal gods have given us nothing better or more delightful.
Fire and water are not of more universal use than friendship.
There are two ways to resolve conflicts, through violence or through negotiation. Violence is for wild beasts, negotiation is for human beings.
A dissolute and intemperate youth hands down the body to old age in a worn-out state.
Nothing is too absurd to be said by some of the philosophers.
Saving the virtues includes all other advantages.
Man must suffer to be wise.
What the object of senile avarice may be I cannot conceive. For can there be anything more absurd than to seek more journey money, the less there remains of the journey?
There is nothing God cannot do.
It was fear that was then making you a good citizen, which is never a lasting teacher of duty.
The name of peace is sweet, the thing itself is most salutary.