Call—it was not mentioned about them that they asked the Prophet, His Might is magnified, or stood perplexed before this issue, and it would have been more appropriate for them to ask about it.

The answer—and upon God we rely—is yes. There are indeed texts from the Infallible ones that support the doctrine of reincarnation (Taqammus). A primary piece of evidence is what has been recorded in the Al-Haft al-Sharif.

Imam al-Sadiq—Exalted is His Might—said:

"Whoever undergoes Naskh (human-to-human transmigration) is among the people of reward, and whoever undergoes Maskh (transformation into lower forms) is among the people of punishment."

This means that those whose deeds are righteous undergo Naskh, repeating their existence in human "garments" and "robes" until they become purified and return to Paradise. Conversely, those whose deeds are wicked undergo Maskh, suffering the "lesser punishment" in non-human forms.

Furthermore, it is narrated by Al-Karkhi, from Abu Hashim, from Al-Mufaddal ibn Umar, who said: "I asked my master, Imam al-Sadiq—Exalted is His Might: 'My master, what is the nature of Naskh (copying/transmigration) within the form?'"

The Imam—Exalted is His Might—replied: