Now when He was in Jerusalem at the Passover, during the feast, many believed in His name when they saw the signs which He did.
John 2:23
Surrounding context
2:22 Therefore, when He had risen from the dead, His disciples remembered that He had said this to them; and they believed the Scripture and the word which Jesus had said.
2:23 Now when He was in Jerusalem at the Passover, during the feast, many believed in His name when they saw the signs which He did.
2:24 But Jesus did not commit Himself to them, because He knew all men,