
call no man happy till / until he dies / is history
/kˈɔːl nˈoʊ mˈæn hˈæpi tˈɪl ɔːɹ ʌntˈɪl hiː dˈaɪz ɔːɹ ɪz hˈɪstɚɹi/
sentenceused to imply that true happiness and success cannot be accurately judged until the end of one's life, as unforeseen events or circumstances can arise that may change their fortunes

it / the opera is not over till / until the fat lady sings
/ɪt ðɪ ˈɑːpɚɹə ɪz nˌɑːt ˌoʊvɚ tˈɪl ʌntˈɪl ðə fˈæt lˈeɪdi sˈɪŋz/
sentenceused to imply that one should not make assumptions or premature judgments about the final result of something, as there is still a possibility of a surprise or unexpected turn of events

there is many a slip twixt / between cup and lip
/ðɛɹ ɪz mˈɛni ɐ slˈɪp twˈɪkst ɔːɹ bɪtwˌiːn kˈʌp ænd lˈɪp/
sentenceused to imply that even when something seems certain or likely to happen, there are many opportunities for it to go wrong or for unexpected events to intervene before it is actually achieved
