Jesus provided numerous forms of evidence to demonstrate that He is the Son of God. From His miracles to the Scriptures, everything attests to His divine nature.
At the end of time, everyone will be resurrected in a physical body. Those who have died in Christ will receive bodies perfectly suited for worship and service to God. Conversely, those who have died in their sins and transgressions will receive bodies suited for judgment.
To share the message of Jesus, we must first understand who He is. Jesus proclaimed Himself to be God, coequal with the Father in Heaven. This foundational doctrine of the Gospel is clearly explained in the Bible.
Experiencing signs and wonders does not ensure salvation. Despite being healed by Jesus, the paralytic man at the pool of Bethesda chose to reject the Lord and align himself with the Jews.