(29) باب غَزْوَةُ الْخَنْدَقِ وَهْىَ الأَحْزَابُ
Narrated Sulaiman bin Surd:
When the clans were driven away, I heard the Prophet (ﷺ) 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."
Reference: Sahih al-Bukhari 4110
In-book reference: Book 64, Hadith 154
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 5, Book 59, Hadith 436