Musnad Ahmad 830:61

Muhammad ibn Bakr narrated to us, Humaid ibn Mihran narrated to us, Sa'd ibn Aws narrated to us, from Ziyad ibn Kusayb al-'Adawi, from Abu Bakrah, who said: I heard the Messenger of Allah, peace and blessings of Allah be upon him, saying: "Whoever honors the authority of Allah in the world, Allah will honor him on the Day of Resurrection. And whoever insults the authority of Allah in the world, Allah will insult him on the Day of Resurrection."