First of all, we all believe in a lot without seeing it. For example, have you ever seen or touched a new idea? - certainly not - and yet it was there - and maybe you believed in it or even dared to realized it? Have you ever immersed yourself in a great novel or thrilling thriller, did not want to stop reading and were completely spellbound with excitement? You actually saw nothing but letters that were strung together. - and yet there was more. Have you ever had tears in your eyes when listening to a beautiful song? You didn't see anything and only heard invisible sounds - or was there more?
The Bible says: "God is spirit and all who worship him must worship in spirit and truth." (John 4:24) I think this is not to be understood as "poltergeist", but in the sense of spiritual as well mental energy.
But why doesn't God and Jesus show us in his physical form in the here and now? If he was standing next to you now and saying something to you, you would have to believe, right? Or would you think you're dreaming? If God were to be seen up in the sky for all people on earth, then everyone would immediately believe in him, there would be no more doubts - or would everyone doubt whether someone had fooled them with a projection? (By the way, in Fatima, Portugal, there was a light phenomenon that 30-40,000 people were watching at the same time. This phenomenon was previously announced to three chosen children and came exactly on the day and time when the crowd was waiting. This was so extraordinary for those who were there that many started to deepen their belief, even media representatives who were present and previously reported mockingly about the children of Fatima suddenly changed their minds. However, as always there are some who want to deny and explain this with their mind somehow and point to other phenomenas as Saharan dust etc. how to announce the exact time and place of Saharan dust beforehand that is not happening in the Sahara but somewhere in Portugal is beyond me - but well ... what this means at last, even if God shows up for us in the sky, not everyone believes!)
The sign in Fatima was not the first - God has always given many signs and miracles, such as leading the people of Israel out of Egypt, splitting the sea, burning thorn bushes, etc. Many of these miracles are in the Bible in the Old Testament and events recorded. It describes God, his nature and his teaching.
Around the year 0, the prophecies in the Old Testament came true. God himself was born in physical form as Jesus. According to the reports of his disciples, Jesus performed countless miracles during his lifetime, brought the dead to life, healed the sick, went over water, died himself and rose himself again. His disciples experienced all of this, saw that Jesus himself overcame death and therefore fearlessly gave their lives for him, because they saw with their own eyes that death is only transient - and the eternal spiritual life after that is that what we humans should strive for. I am convinced that if they had not seen this for themselves, they would not have given their lives so readily. Most of them died as martyrs by being killed because they held on to Jesus and their faith until they died, sometimes under severe torture. Now one or the other will think: "Nice for the disciples, but I haven't seen this up close, it's hard for me to believe it all - especially since it was over 2000 years ago."
God was here on earth in the form of Jesus, He has shown himself to thousands of people in his physical form, even though he is of a spiritual nature. He performed incredible miracles and yet there were some at that time who still didn't believe everything - no, they even cruelly killed him, even though he didn't harm anyone and did only good! This shows us that unfortunately God is not welcome by everyone - even if he does so much for us and shows himself with clear miracles. Some just don't want to. If he were physically on earth again now, who knows what would happen. One scenario coming to my mind is secret services that would probably want to kidnap him, test him thoroughly and, if possible, misuse him for gaining more power.
God does certainly not have to stand for that! He was physically here on earth, he has already worked countless miracles in this world and he works them again and again when asked to do so. His signs and wonders are sufficient for us to believe in him. Many do it too, and those who don't? God loves everyone - but does not impose itself on us. He also does not want to force us to believe in him and he especially appreciates those who do not see him physically and still believe:
Here is the story of Thomas from the Gospel according to John (20.24-29) which happened after Jesus had risen from his painful dead on the cross. Jesus' hands and feet were pierced with nails during his crucifixion, and after his death a lance was thrust into his side to verify that he really was dead:
“Now Thomas (also known as Didymus), one of the Twelve, was not with the disciples when Jesus came. So the other disciples told him, “We have seen the Lord!”
But he said to them, “Unless I see the nail marks in his hands and put my finger where the nails were, and put my hand into his side, I will not believe.”
A week later his disciples were in the house again, and Thomas was with them. Though the doors were locked, Jesus came and stood among them and said, “Peace be with you!” Then he said to Thomas, “Put your finger here; see my hands. Reach out your hand and put it into my side. Stop doubting and believe.”
Thomas said to him, “My Lord and my God!”
Then Jesus told him, “Because you have seen me, you have believed; blessed are those who have not seen and yet have believed.”
Let us remember: God is spirit. So that means he is everywhere, he is always with us, he is buried deep in our hearts. If we do something wrong, violate the commandments - then our wounded soul, our guilty conscience moves - even if we do not know the commandments exactly, since it is in every person's DNA. When we do something right or admit our mistakes, our soul rejoices and becomes very easy. God is there - he shows himself to us personally, we just have to allow it and feel it. Since God is supernatural, we have to do it in a different way than we are used to in our material world and we will be rewarded
- "How can I believe in God if I can't see him?" https://au.thegospelcoalition.org/article/can-believe-god-cant-see/
- Valtorta it chapter 145 / de chapter 184
- Valtorta it chapter 628 / de chapter 691