The Kingdom - 67:29
"Say, "He is the Most Merciful; in Him we believe and in Him we trust. You will know in the future who is indeed in complete error."
Allah knows those who deviate from His way and those who are on the right path:
The Cattle/6:117
Your Lord knows best those who deviate from His Way. And He knows best those who are on the right path.
Prophet Jonah/10:40
Some of them believe in it and some do not believe. Your Lord knows better those who commit mischief.
The Bee/16:125
Call to the Way of your Lord with wisdom and good enlightenment. Argue with them in the best way. Your Lord knows best those who deviate from His way and those who are on the right path.
The Night Journey/17:84
"Say: "Everyone acts according to his belief. My Lord knows better who is on the right path."
Ta-Ha/20:135
"Say: "Everyone is watching. You also observe. You will know in the future who are the owners of the straight path and who are on Hidayet"."
The Pen/68:7
Your Lord knows best who has gone astray and knows best those who are on the right path.