Question: what are the holy signs?
Answer: Changing water into wine at Cana in John 2:1-11 - "the first of the signs" Healing the royal official's son in Capernaum in John 4:46-54. Healing the paralytic at Bethesda in John 5:1-15. Feeding the 5000 in John 6:5-14. Jesus walking on water in John 6:16-24.