Hawzah News Agency - Through the same chain of narrators he has narrated from his father from Ahmad ibn Nadr from ‘Amr and ibn Shimr from Jabir from abu Ja’far who has said the following.

زَكَاةُ الْعِلْمِ أَنْ تُعَلِّمَهُ عِبَادَ الله.

“Zakat, the tax, on knowledge is teaching it to the servants of Allah.”

Al-Kāfi, v.1, Book 2, Chapter 10