Jesus was warning against changing the smallest letter of the law – but what happened to his teachings?

Jesus was warning against changing the smallest letter of the law (the holy scriptures): https://www.logo-buch.de/logo-aktiv/wissensbibliothek/christliches-lexikon/nicht-ein-jota But whas Jesus really walking over water, and turning water into wine? Osho has put this into question: But where these miracles described by Jesus himself, or by his followers? Also Milarepa did miracles. He lived in solitary retreat and …