Matthew 4:6
Context4:6 and said to him, “If you are the Son of God, throw yourself down. For it is written, ‘He will command his angels concerning you’ 1 and ‘with their hands they will lift you up, so that you will not strike your foot against a stone.’” 2
Matthew 17:9
Context17:9 As they were coming down from the mountain, Jesus commanded them, 3 “Do not tell anyone about the vision until the Son of Man is raised from the dead.”


[4:6] 1 sn A quotation from Ps 91:11. This was not so much an incorrect citation as a use in a wrong context (a misapplication of the passage).
[4:6] 2 sn A quotation from Ps 91:12.
[17:9] 3 tn Grk “Jesus commanded them, saying.” The participle λέγων (legwn) is redundant and has not been translated.