(53) باب
Narrated Mujahid:
I said to Ibn `Umar, "I want to migrate to Sham." He said, "There is no migration, but Jihad (for Allah's Cause). Go and offer yourself for Jihad, and if you find an opportunity for Jihad (stay there) otherwise, come back."
Reference: Sahih al-Bukhari 4309
In-book reference: Book 64, Hadith 340
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 5, Book 59, Hadith 600