It is narrated from a Badri Companion (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said: Sitting in a gathering of admonition like this is more beloved to me than freeing four slaves.
Hadith Referenceمسند احمد / مسند الأنصار رضي الله عنهم / 23108
Hadith Gradingحکم دارالسلام:إسناده ضعيف لجهالة كردوس بن قيس