Invocation
Upon completing the ablution
أَشْهَدُ أَنْ لا إِلَـهَ إِلاّ اللهُ وَحْدَهُ لا شَريـكَ لَـهُ وَأَشْهَدُأَنَّ مُحَمّـداً عَبْـدُهُ وَرَسـولُـه
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.
Muslim 1/209.