Musnad Ahmad 32:1133

Yazid narrated to us, Hammad informed us, from Anas; and al-Ansari narrated to us, Humayd narrated to us, from Anas, who said: The Prophet, may Allah bless him and grant him peace, used to say: "O Allah, I seek refuge in You from laziness and old age, and cowardice and stinginess, and the trial of the Dajjal, and the punishment of the grave."