The Pharisees therefore said to Him, "You bear witness of Yourself; Your witness is not true."
John 8:13
Surrounding context
8:12 Then Jesus spoke to them again, saying, "I am the light of the world. He who follows Me shall not walk in darkness, but have the light of life."
8:13 The Pharisees therefore said to Him, "You bear witness of Yourself; Your witness is not true."
8:14 Jesus answered and said to them, "Even if I bear witness of Myself, My witness is true, for I know where I came from and where I am going; but you do not know where I come from and where I am going.