John 2:21-23

Amplified Bible

²¹ But He was speaking of the temple which was His body. ²² So when He had risen from the dead, His disciples remembered what He had said. And they believed and trusted in and relied on the Scripture and the words that Jesus had spoken.^(A)

²³ Now when He was in Jerusalem at the Passover feast, many believed in His name [identifying themselves with Him] after seeing His signs (attesting miracles) which He was doing.