The Prophet (peace and blessings be upon him) said:
"Shall I not guide you to a jihad in which there is no thorn (that is, no hardship and fighting)? It is Hajj to the House of Allah."
Hadith Referenceصحیح الجامع الصغیر / حرف الألف / 2611
Hadith Gradingالألبانی:صحيح
Hadith Takhrij[طب] عن الشفاء. الترغيب ٢/١٠٦: طب، طس – الحسين بن علي.