Ibn Abbas narrated that :the Messenger of Allah said: "There are no days in which righteous deeds are more beloved to Allah than those ten days." They said: "O Messenger of Allah! Not even Jihad in Allah Cause?" The Messenger of Allah said: "Not even Jihad in Allah's Cause, unless a man were to out with his self and his wealth and not return from that with anything

English translation · Jami' at-Tirmidhi