Authentic
Sunan an-Nasa'i 5444
"I came to the Prophet [SAW] and said: 'O Prophet of Allah, teach me words by means of which I may seek refuge with Allah.' He took me by the hand and said: 'Say: A'udhu bika min sharri sam'i, wa sharri basari, wa sharri lisani, wa sharri qalbi, wa sharri mani (I seek refuge with You from the evil…
أَعُوذُ بِكَ مِنْ شَرِّ سَمْعِي وَشَرِّ بَصَرِي وَشَرِّ لِسَانِي وَشَرِّ قَلْبِي وَشَرِّ مَنِيِّي " . قَالَ حَتَّى حَفِظْتُهَا