At the Egyptian city of Naucratis there was a famous old god whose name was Theuth; the bird which is called the Ibis was sacred to him, and he was the inventor of many arts, such as arithmetic and calculation and geometry and astronomy and draughts and dice, but his great discovery was the use of letters.
PlatoIt is our duty to select the best and most dependable theory that human intelligence can supply, and use it as a raft to ride the seas of life.
PlatoFor this feeling of wonder shows that you are a philosopher, since wonder is the only beginning of philosophy.
PlatoThere is no necessity for the man who means to be an orator to understand what is really just but only what would appear so to the majority of those who will give judgment; and not what is really good or beautiful but whatever will appear so; because persuasion comes from that and not from the truth.
Plato