The Peak of Eloquence · Hadith 1894 (#Passage #253)

٢٠٥. وَقَالَ (عليه السلام): كُلُّ وِعَاءٍ يَضِيقُ بِمَا جُعِلَ فِيهِ إِلَّا وِعَاءَ الْعِلْمِ، فَإِنَّهُ يَتَّسِعُ بِهِ.

205. Amīr al-mu’minīn, peace be upon him, said: Every container gets narrower according to what is placed in it except the container of knowledge which expands instead.

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