The invention of writing will produce forgetfulness in the minds of those who learn to use it, because they will not practice their memory. Their trust in writing, produced by external characters which are no part of themselves, will discourage the use of their own memory within them. You have invented an elixir not of memory, but of reminding; and you offer your pupils the appearance of wisdom, not true wisdom.

Let he who would move the world, first complete an environmental impact assessment and a 90-day public comment period.

Improve yourself by other men's writings thus attaining effortlessly what they acquired through great difficulty.

I only know how little I know

Through your rags I see your vanity.

Remember what is unbecoming to do is also unbecoming to speak of.

This is...self-knowled ge-for a man to know what he knows, and what he does not know.