31 "If I testify about myself, my testimony is not valid. 32 There is another who testifies in my favor, and I know that his testimony about me is valid.
33 "You have sent to John and he has testified to the truth. 34 Not that I accept human testimony; but I mention it that you may be saved. 35 John was a lamp that burned and gave light, and you chose for a time to enjoy his light.
36 "I have testimony weightier than that of John. For the very work that the Father has given me to finish, and which I am doing, testifies that the Father has sent me. 37 And the Father who sent me has himself testified concerning me. You have never heard his voice nor seen his form, 38 nor does his word dwell in you, for you do not believe the one he sent. 39 You diligently study the Scriptures because you think that by them you possess eternal life. These are the Scriptures that testify about me, 40 yet you refuse to come to me to have life.
Many people 'believe' the Bible, but that is about as far as it goes. Mere intellectual assent is not enough. Jesus requires that you come to Him to have eternal life.
41 "I do not accept praise from men, 42 but I know you. I know that you do not have the love of God in your hearts. 43 I have come in my Father's name, and you do not accept me; but if someone else comes in his own name, you will accept him. 44? How can you believe if you accept praise from one another, yet make no effort to obtain the praise that comes from the only God
45 "But do not think I will accuse you before the Father. Your accuser is Moses, on whom your hopes are set. 46 If you believed Moses, you would believe me, for he wrote about me. 47 But since you do not believe what he wrote, how are you going to believe what I say?"
References to Moses, and what he wrote, are speaking about the Law, the Ten Commandments. Christians, and even Christ, do not accuse or condemn or judge people. God's Law does. God has written His Law on their hearts and not because they can't follow Him, but because they refuse to follow Him are they condemned. Putting your hope in Moses, is saying that you follow the Law, saying you are a "good person". But, the Law is a mirror that shows us our true condition. Our true condition is one that stands condemned already before an Almighty God. But this God is also merciful and is waiting patiently for us to repent and put our trust in the very one He sent, His Son Jesus.