Whenever a person strives, by the help of dialectic, to start in pursuit of every reality by a simple process of reason, independent of all sensuous information - never flinching, until by an act of the pure intelligence he has grasped the real nature of good - he arrives at the very end of the intellectual world.

[Not enough is known about solid geometry] and for two reasons: in the first place, no government places value on it; this leads to a lack of energy in the pursuit of it, and it is difficult. In the second place, students cannot learn it unless they have a teacher. But then a teacher can hardly be found.

I would have you imagine, then, that there exists in the mind of man a block of wax... and that we remember and know what is imprinted as long as the image lasts; but when the image is effaced, or cannot be taken, then we forget or do not know.

The god, O men, seems to me to be really wise; and by his oracle to mean this, that the wisdom of this world is foolishness and of none effect.

Justice in the life and conduct of the State is possible only as first it resides in the hearts and souls of the citizens.

It is vain for the sober man to knock at poesy's door.

Let every man remind their descendants that they also are soldiers who must not desert the ranks of their ancestors, or from cowardice fall behind.