Whosoever by God's grace sees Him sees not creatures. He who attains to the vision of the Lord is lost to himself. - Abu al-Hassan al-Kharaqani

Continue spiritual practices till the spiritual practices themselves abandon you.

The greatest activity is the remembrance and recollection of the Lord and after that come, in order of preference, purity of life, charity and austerity.

That Muslim is not praiseworthy who worships and keeps fasts, but he is to be praised in whose scroll of destiny no sin is recorded during the course of a lifetime. And when that stage is reached he fears God and maintains humility.