Musnad Abu Ya'la al-Mawsili 148:46

Ubayd Allah ibn Umar ibn Maysarah narrated to us, Sakan ibn Isma'il al-Asamm narrated to us, Ziyad narrated to us, from Anas ibn Malik, who said: The Messenger of Allah (may Allah bless him and grant him peace) said: "The one who guides to good is like the one who does it, and Allah loves the aiding of the distressed."