Cadmus Quotes

“These Phoenicians who came with Cadmus and of whom the Gephyraeans were a part brought with them to Hellas, among many other kinds of learning, the alphabet, which had been unknown before this, I think, to the Greeks. As time went on the sound and the form of the letters were changed. At this time the Greeks who were settled around them were for the most part Ionians, and after being taught the letters by the Phoenicians, they used them with a few changes of form. In so doing, they gave to these characters the name of Phoenician, as was quite fair seeing that the Phoenicians had brought them into Greece.
(5-58-59)”
― Herodotus, The Histories

“I have read in some of the old histories that in early times the Greeks did not know how to write until two men, one of whom was called Cadmus (Qatmus) and the other Aghanūn, came from Egypt bringing sixteen letters with which the Greeks wrote. Then one of these two men derived four other letters, also used for writing. Later, another man named Simonides (Simūnidus) derived four additional ones, making twenty-four. It was in those days that Socrates (Suqrātīs) appeared”
― Ibn Al-Nadim