Numbers are the highest degree of knowledge. It is knowledge itself..

If in a discussion of many matters ... we are not able to give perfectly exact and self-consistent accounts, do not be surprised: rather we would be ….

The beginning is the most important part...for that is the time character is being formed..

Are these things good for any other reason except that they end in pleasure, and get rid of and avert pain? Are you looking to any other standard but….

My plainness of speech makes people hate me, and what is their hatred but a proof that I am speaking the truth..

It is better to be wise, and not to seem so, than to seem wise, and not be so; yet men, for the most part, desire the contrary..

I have hardly ever known a mathematician who was capable of reasoning..

Thus does the Muse herself move men divinely inspired, and through them thus inspired a Chain hangs together of others inspired divinely likewise..

And what shall he suffer who slays him who of all men, as they say, is his own best friend? I mean the suicide, who deprives himself by violence of h….

Excellent things are rare..

You cannot conceive the many without the one...The study of the unit is among those that lead the mind on and turn it to the vision of reality..

A man is not learned until he can read, write and swim..

Beauty of style and harmony and grace and good rhythm depend on simplicity - I mean the true simplicity of a rightly and nobly ordered mind and chara….

The Graces sought some holy ground, Whose sight should ever please; And in their search the soul they found Of Aristophanes..

One of the penalties for refusing to participate in politics is that you end up being governed by your inferiors..

. . . the triumph of my art is in thoroughly examining whether the thought which the mind of the young man brings forth is a false idol or a noble an….

Every unjust man is unjust against his will..

For the poets tell us, don't they, that the melodies they bring us are gathered from rills that run with honey, out of glens and gardens of the Muses….

If one sins against the laws of proportion and gives something too big to something too small to carry it - too big sails to too small a ship, too bi….

Herein is the evil of ignorance, that he who is neither good nor wise is nevertheless satisfied with himself: he had no desire for that of which he f….

Do thine own work, and know thyself..