I said: Messenger of Allah, teach me a supplication. He said: Say: "O Allah, I seek refuge in Thee from the evil of what I hear, from the evil of what I see, from the evil of what I speak, from the evil of what I think, and from the evil of my semen" (i.e. sexual passion).
قُلْتُ يَا رَسُولَ اللَّهِ عَلِّمْنِي دُعَاءً قَالَ قُلِ اللَّهُمَّ إِنِّي أَعُوذُ بِكَ مِنْ شَرِّ سَمْعِي وَمِنْ شَرِّ بَصَرِي وَمِنْ شَرِّ لِسَانِي وَمِنْ شَرِّ قَلْبِي وَمِنْ شَرِّ مَنِيِّي