'Prophets and Messengers are of four classes: a prophet who imparts the tidings to his own self and does not extend to anyone else; a prophet who sees [the Unseen] in his sleep and hears sounds but does not see anything when awake, and he is not sent to anyone and he has a leader [Imam] over him, like how Prophet Abraham (AS) was to Prophet Lot (AS); a prophet who sees in his dream, and he hears and sees the angel, and he is sent to a group, be they small or large, like Prophet Jonah (AS). Allah said about Prophet Jonah (AS): We sent him to a [community of] hundred thousand or more, ? [He continued], 'or more' by thirty thousand, and he has an Imam over him too; and a prophet who sees in his sleep, hears the voice, sees while awake, and he himself is an Imam [leader] like the archprophets, and Prophet Abraham (AS) was a prophet and not an Imam [leader] until Allah said, I am making you the Imam of mankind.'