Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)

Bukhari :: Book 5 :: Volume 59 :: Hadith 436

Narrated Sulaiman bin Surd:

When the clans were driven away, I heard the Prophet saying, "From now onwards we will go to attack them (i.e. the infidels) and they will not come to attack us, but we will go to them."