It is narrated from Sayyiduna Anas bin Malik (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) related that Jibril (peace be upon him) took out the inner contents of his (peace and blessings be upon him) chest, washed them in a basin of gold, and then filled them with wisdom and light, or wisdom and knowledge.
Hadith Referenceالمعجم الكبير للطبراني / باب الألف / 740