They they prayed and said, "Lord, you know everyone's heart. Show us which one of these two you have chosen"...and the lot fell on Matthias; and he was added to the eleven apostles. Acts 1: 21-26
"I am the good shepherd; I know my sheep and my sheep know me just as the Father knows me and I know the Father and I lay down my life for the sheep." John 10: 14-15