How would you handle this verse?...
but these are written so that you may believe that Jesus is the Christ, the Son of God, and that by believing you may have life in his name. (Joh 20:31)
That's a good question - I had to look the context of the verse up:
John
Chapter 20
1 The first
day of the week cometh Mary Magdalene early, when it was yet dark, unto the sepulchre, and seeth the stone taken away from the sepulchre.
2 Then she runneth, and cometh to Simon Peter, and to the other disciple, whom Jesus loved, and saith unto them, They have taken away the Lord out of the sepulchre, and we know not where they have laid him.
3 Peter therefore went forth, and that other disciple, and came to the sepulchre.
4 So they ran both together: and the other disciple did outrun Peter, and came first to the sepulchre.
5 And he stooping down,
and looking in, saw the linen clothes lying; yet went he not in.
6 Then cometh Simon Peter following him, and went into the sepulchre, and seeth the linen clothes lie,
7 And the napkin, that was about his head, not lying with the linen clothes, but wrapped together in a place by itself.
8 Then went in also that other disciple, which came first to the sepulchre, and he saw, and believed.
9 For as yet they knew not the scripture, that he must rise again from the dead.
10 Then the disciples went away again unto their own home.
11 But Mary stood without at the sepulchre weeping: and as she wept, she stooped down,
and looked into the sepulchre,
12 And seeth two angels in white sitting, the one at the head, and the other at the feet, where the body of Jesus had lain.
13 And they say unto her, Woman, why weepest thou? She saith unto them, Because they have taken away my Lord, and I know not where they have laid him.
14 And when she had thus said, she turned herself back, and saw Jesus standing, and knew not that it was Jesus.
15 Jesus saith unto her, Woman, why weepest thou? whom seekest thou? She, supposing him to be the gardener, saith unto him, Sir, if thou have borne him hence, tell me where thou hast laid him, and I will take him away.
16 Jesus saith unto her, Mary. She turned herself, and saith unto him, Rabboni; which is to say, Master.
17 Jesus saith unto her, Touch me not; for I am not yet ascended to my Father: but go to my brethren, and say unto them, I ascend unto my Father, and your Father; and
to my God, and your God.
18 Mary Magdalene came and told the disciples that she had seen the Lord, and
that he had spoken these things unto her.
19 Then the same day at evening, being the first
day of the week, when the doors were shut where the disciples were assembled for fear of the Jews, came Jesus and stood in the midst, and saith unto them, Peace
be unto you.
20 And when he had so said, he shewed unto them
his hands and his side. Then were the disciples glad, when they saw the Lord.
21 Then said Jesus to them again, Peace
be unto you: as
my Father hath sent me, even so send I you.
22 And when he had said this, he breathed on
them, and saith unto them, Receive ye the Holy Ghost:
23 Whose soever sins ye remit, they are remitted unto them;
and whose soever
sins ye retain, they are retained.
24 But Thomas, one of the twelve, called Didymus, was not with them when Jesus came.
25 The other disciples therefore said unto him, We have seen the Lord. But he said unto them, Except I shall see in his hands the print of the nails, and put my finger into the print of the nails, and thrust my hand into his side, I will not believe.
26 And after eight days again his disciples were within, and Thomas with them:
then came Jesus, the doors being shut, and stood in the midst, and said, Peace
be unto you.
27 Then saith he to Thomas, Reach hither thy finger, and behold my hands; and reach hither thy hand, and thrust
it into my side: and be not faithless, but believing.
28 And Thomas answered and said unto him, My Lord and my God.
29 Jesus saith unto him, Thomas, because thou hast seen me, thou hast believed: blessed
are they that have not seen, and
yet have believed.
30 And many other signs truly did Jesus in the presence of his disciples, which are not written in this book:
31 But these are written, that ye might believe that Jesus is the Christ, the Son of God; and that believing ye might have life through his name.
~~~
Scripture is speaking of the signs that Christ did, and saying that they were written that we might believe. But Scripture elsewhere in John 6:44 states:
"No man can come to me, except the Father which hath sent me draw him: and I will raise him up at the last day."
You asked a tricky question that may not have an easy answer. Scripture states that we can't come to Christ unless God draws us at the same time that we're told that we're given these signs so that we believe and I cannot readily explain that.
I've learned that there are some concepts that I cannot grasp just yet, and I've learned to put them on a shelf until God chooses to open up my understanding to them. "Now we see through a glass darkly..." And I've had a lot of things that I have questions about. But I've also learned to have faith even though I don't fully understand everything because I know that deep within my spirit that this is the truth. I recently had a family member ask me why I don't believe that Buddhism is true, or one of the other religions, and it's because of multiple reasons, but one of them is that I sense that it is truth.
Romans 8:16 "The Spirit itself beareth witness with our spirit, that we are the children of God."