Upon completing the ablution

I bear witness that none has the right to be worshipped but Allah alone, Who has no partner; and I b...

Reference:Muslim 1/209.Hisnul Muslim 13

أَشْهَدُ أَنْ لا إِلَـهَ إِلاّ اللهُ وَحْدَهُ لا شَريـكَ لَـهُ وَأَشْهَدُأَنَّ مُحَمّـداً عَبْـدُهُ وَرَسـولُـه

Transliteration

Ash-hadu 'an lā 'ilāha 'illallāhuwaḥdahu lā sharīka lahuwa 'ash-hadu 'anna Muḥammadan `abduhu wa Rasūluhu.

Translation

I bear witness that none has the right to be worshipped but Allah alone, Who has no partner; and I bear witness that Muhammad is His slave and His Messenger.