Dhakwan Abu Salah al-Saman al-Ziyat ذكوان أبو صالح السمان الزيات · The Book of Hajj

Allah, Most High, has decreed Hajj for you. Al-Aqra' bin Habis At-Tamimi said: "Every year, O Messenger of Allah?" But he remained silent, then he said: "If I said yes, it would become obligatory, then you would not hear and obey. Rather it is just one Hajj."

"A man asked the Prophet 'O Messenger of Allah, which deed is best?' He said: 'Jihad in the cause of Allah.' He said: 'Then what?' He said: 'then Hajj Al-Mabrir.'''