And though the strict lifestyle is sometimes inconvenient, that's all right, because sincerity of belief is most important. Many outsiders see Islam as having many strict rules, and they assume it is highly formalized. In fact, Ko says, in his experience there are few restrictions, and attendance at the Friday meeting is completely up to the individual.
外人看到回教的生活規矩多，可能因此認為回教重形式，其實以他的經驗，伊斯蘭的繁文褥節非常少，著重的就是清潔儉樸和平處世的精神，反對偶像崇拜、沒有強制奉獻，在物慾橫流的這個時代更覺這信仰的珍貴。