Musnad Abu Ya'la al-Mawsili 154:195

Abdullah ibn Muhammad ibn Asma’ narrated to us, Juwayriyah ibn Asma’ ibn Ubayd ibn Mukharib narrated to us, from Nafi’, from Ibn Umar, that the Messenger of Allah (may Allah bless him and grant him peace) said: "Indeed, the one who misses the Asr prayer, it is as if he has been bereaved of his family and his wealth."