15. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Muhammad ibn ’Isma‘il from abu ’Isma‘il al-Sarraj from ibn Muskan from abu Basir who has said the following
“Abu al-Hassan the first (a.s.), has said, ‘When my father was about to pass away he said, “My son, those who consider Salah (prayers) insignificant will not be able to benefit from our intercession.’””