كتاب الصلاة : Hadeeth No:419 : 'Aisha: The Prophet used to start every thing from the right (for good things) whenever it was possible in all his affairs; for example: in washing, combing or wearing shoes. ...

كتاب الجمعة : Hadeeth No:852 : 'Abdullah bin 'Umar: I heard Allah's Apostle saying, "Anyone of you coming for the Jumua prayer should take a bath." ...