good things come in threes

English

If a fortunate event has already occurred twice, a third fortunate event is likely to occur.
Coordinate term: bad things come in threes

several fortunate events usually occur together

Finnish: ei kahta ilman kolmatta (literally “no two without a third”) (not exclusively of good things)
French: jamais deux sans trois (fr)
German: Alle guten Dinge sind drei
Italian: non c'è due senza tre (literally “there is no two without three”)
Polish: szczęścia chodzą parami (fortunate things come in pairs)
Portuguese: please add this translation if you can
Russian: бог тро́ицу лю́бит (bog tróicu ljúbit)
Swedish: alla goda ting är tre (literally “all good things are three”)