but they knew
Luke 24:16
And he said to them, "What is this conversation which you are holding with each other as you walk?" And they stood still, looking sad.
John 20:14
Saying this, she turned round and saw Jesus standing, but she did not know that it was Jesus.
John 21:4
Just as day was breaking, Jesus stood on the beach; yet the disciples did not know that it was Jesus.