Jami` at-Tirmidhi Book 48, Hadith 221
“No worshipper has ever said: None has the right to be worshipped but Allah (Lā ilāha illallāh)’ sincerely, except that the gates of heaven are opened for it, until it reaches to the Throne, so long as he avoids the major sins.”
“The Messenger of Allah (ﷺ) taught me, saying: ‘Say: “O Allah, this is the coming of Your night, and the departing of Your day, the voices of those calling to You, and the time of prayers to You, I ask You to forgive me (Allāhumma hādhastiqbālu lailika, wastidbāru nahārika, wa aṣwātu du`ātika wa ḥuḍūru ṣalawātika, as’aluka an taghfira lī).”
“ used to say: ‘O Allah, I seek refuge in You from evil character, evil actions, and evil desires (Allāhumma innī a`ūdhu bika min munkarātil-akhlāqi wal-a`māli wal-ahwā’).’”