It is narrated from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that the Prophet (peace and blessings be upon him) once placed his blessed hand on my shoulder and said: "O Allah! Grant him understanding of the religion and teach him the interpretation and explanation of the Book."
Hadith Referenceمسند احمد / ومن مسند بني هاشم / 2879
Hadith Gradingحکم دارالسلام:إسناده قوي، خ: 143، م: 2477 بدون لفظ : وعلمه التأويل