Hadith 1758

Abul-Juhaim 'Abdullah bin Al-Harith (May Allah be pleased with him) said: The Messenger of Allah (PBUH) said, "If the person who passes in front of a praying person, realizes the enormity of the sinfulness of this act, it will have been better for him to wait forty than to pass in front of him."

[Al-Bukhari and Muslim].

[The narrator was not sure whether the Prophet (PBUH) said forty days, months or years.]