The Book of Characteristics · Hadith 206 (#Ḥadīth #1)

2-92 حدثنا أبي رضي الله عنه قال: حدثنا محمد بن يحيى العطار، عن محمد ابن أحمد، عن أبي عبد الله الرازي، عن علي بن أسباط، عن الحكم بن مسكين قال: سمعت أبا عبد الله عليه السلام يقول: أكل الاشنان يوهن الركبتين ويفسد ماء الظهر

2-92 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Muhammad ibn Yahya al-Attar quoted Muhammad ibn Ahmad, on the authority of Aba Abdullah al-Razi, on the authority of Ali ibn Asbat, on the authority of Al-Hikam ibn Meskin, “I heard Aba Abdullah as-Sadiq (MGB) say, ‘Eating soap would weaken the knees and spoil the semen.’”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).