Worshipping Allah sincerely, devoting religion exclusively to Him, is an obligation these verses recall, also linking trial to the sincerity of supplication. They show that Satan is powerless to mislead the sincere servants, identify the sincere with the believers and promise them a fine reward.
Verses gathered from a topical index of the Quran, in Mushaf order; every verse is quoted in full.
[Iblees] said, "My Lord, because You have put me in error, I will surely make [disobedience] attractive to them [i.e., mankind] on earth, and I will mislead them all