1. The usual tale of Daedalus, the legendary craftsman, is that, although his son Icarus was lost, he himself reached Sicily safely, and lived and worked there. Socrates is adding a twist, perhaps by assuming that, since Daedalus was an Athenian and Sicily a foreign country, Daedalus must have been forced to stay there.
2. See p. 47, n. I.
3. The Persian king had a habit of gathering experts around him, by force if he could not do so otherwise.