All I know is that I do not know anything

...one thing I am ready to fight for as long as I can, in word and act: that is, that we shall be better, braver and more active men if we believe it right to look for what we don't know than if we believe there is no point in looking because what we don't know we can never discover.

True knowledge exists in knowing that you know nothing. And in knowing that you know nothing, that makes you the smartest of all.

Be as you wish to seem.

To know thyself is the beginning of wisdom.

Whom do I call educated? First, those who manage well the circumstances they encounter day by day. Next, those who are decent and honorable in their intercourse with all men, bearing easily and good naturedly what is offensive in others and being as agreeable and reasonable to their associates as is humanly possible to be... those who hold their pleasures always under control and are not ultimately overcome by their misfortunes... those who are not spoiled by their successes, who do not desert their true selves but hold their ground steadfastly as wise and sober - minded men.

The real artist, who knew what he was imitating, would be interested in realities and not in imitations; and would desire to leave as memorials of himself works many and fair; and, instead of being the author of encomiums, he would prefer to be the theme of them.