“There are no days during which righteous deeds are more beloved
to
Allah than these days,” meaning the (first) ten days of
Dhul-
Hijjah. They said: “O Messenger of Allah! Not even Jihad in
the cause
of Allah?” He said: “Not even Jihad in the cause of
Allah, unless a
man goes out with himself and his wealth and does not
bring anything
back.”
Sunan Ibn Majah Book 7, Hadith 90