Islam Islam -- 28 Religious aspects -- 26 Religious life -- 20 Prayer -- 14 Customs and practices 13 Conduct of life 9 more ... Doctrines 5 Muslim -- 5 Management -- 4 Medicine -- 4 Muslims -- 4 Devil -- 3 Economics -- 3 Family -- 3 Hadith -- 3 Motivation (Psychology) -- 3 Prayers and devotions 3 Apostasy -- 2 Happiness -- 2 Medicine in the Quran 2 Muslim pilgrims and pilgrimages -- 2 Pillars of Islam 2 Religious aspect -- 2 Religious aspects. -- 2 Saudi Arabia -- 2 Self-help techniques 2 20th century 1 Behaviorism (Psychology) -- 1 Cheefulness 1 less ...