It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Prophet (peace and blessings be upon him) said: "Goodness and blessing have been placed in the forelocks of horses until the Day of Resurrection."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 5200
Hadith Gradingحکم دارالسلام:إسناده صحيح ، خ : 3644 ، م : 1871 .