Sayyidina Ibn Mas’ud narrated: I asked Allah’s Messenger “0 Messenger of Allah, which deed is most excellent?” He said, “Salah at its appointed time. I asked, “Then what, “0 Messenger of Allah?” He said, “Kindness to parents.” I asked, “What next, no Messenger of Allah?” He said, “Jihad in Allah’s path.” Then, Allah’s Messenger (SAW) observed silence with me. And, if I had asked more, he woi.ld have answered more.
[Bukhari 527, Muslim 85]