They said: Call on your Lord for our sake to make it plain to us what she is. Musa said: He says, Surely she is a cow neither advanced in age nor too young, of middle age between that (and this); do therefore what you are commanded.

He said: My Lord! appoint a sign for me. Said He: Your sign is that you should not speak to men for three days except by signs; and remember your Lord much and glorify Him in the evening and the morning.

And they say: The stories of the ancients-- he has got them written-- so these are read out to him morning and evening.