Abu Rashid Al-Hubrani said

“I came to `Abdullah bin `Amr and said to him: ‘Report something to me that you heard from the Messenger of Allah (ﷺ).’ So he set forth before me a scroll and said: ‘This is what the Messenger of Allah (ﷺ) wrote for me.’” He said: “So I looked in it and found in it: ‘Indeed, Abu Bakr As-Siddiq, may Allah be pleased with him, said: “O Messenger of Allah, teach me what to say at morning and afternoon.” He said: “O Abu Bakr, say: ‘O Allah, Creator of the heavens and the earth, Knower of the unseen and the seen, there is none worthy of worship except You, Lord of everything and its Owner, I seek refuge in You from the evil of my soul and from the evil of Shaitan and his Shirk, or that I should do some evil to myself or bring it upon a Muslim (Allāhumma fāṭiras-samāwāti wal-arḍi, `ālimal-ghaibi wash-shahādati, lā ilāha illā anta, rabba kulli shai’in wa malīkahu, a`ūdhu bika min sharri nafsī wa min sharrish-shaiṭāni wa sharakihi, wa an aqtarifa `alā nafsī sū’an, aw ajurrahu ilā muslim).’”