Hadith 8:2237
Abu Bakr narrated to us, he said: Waki’ narrated to us, from al-Mas’udi, from al-Qasim ibn ‘Abd al-Rahman, he said: It used to be said: "Take them on Hajj while they are young; for if they die, they will have performed Hajj, and if they live, they will have performed Hajj."
حدثنا أبو بكر قال حدثنا وكيع عن المسعودي عن القاسم بن عبد الرحمن قال كان يقال حجوا بهم صغارا فإن ماتوا كانوا قد حجوا وإن عاشوا حجوا