These hearts rust just as iron rusts; and indeed they are polished through the recitation of the Qur'an. - Muhammad Ali

The Prophet said, "O 'Abdur-Rahman! Do not seek to be a ruler, for if you are given authority on your demand then you will be held responsible for it, but if you are given it without asking (for it), then you will be helped (by Allah) in it. If you ever take an oath to do something and later on you find that something else is better, then you should expiate your oath and do what is better."

Abu Usayd Malik ibn Rabi'a as-Sa'idi said, "Once while we were sitting with the Messenger of Allah, may Allah bless him and grant him peace, a man from the Banu Salama came up and asked, 'O Messenger of Allah, is there any devotion to my parents which I can show them after their death?' He said, 'Yes, praying for them, asking forgiveness for them, fulfilling their pledges after them, maintaining ties with relations which are only maintained through them, and honouring any friend of theirs." [Abu Dawud]

Say, "Shall I inform you of [something] better than that? For those who fear Allāh will be gardens in the presence of their Lord beneath which rivers flow, wherein they abide eternally, and purified spouses and approval from Allāh. And Allāh is Seeing [i.e., aware] of [His] servants - Those who say, 'Our Lord, indeed we have believed, so forgive us our sins and protect us from the punishment of the Fire,' The patient, the true, the obedient, those who spend [in the way of Allāh], and those who seek forgiveness before dawn.