first-person plural present of sein / third-person plural present of sein

are you religious?

dreams are ten a penny; dreams are but shadows (dreaming of things is idle; dreams are unlikely to become reality); usually refers to dreams or wishes for the future, but can also be used of nocturnal dreams

(idiomatic) the die is cast

still waters run deep

third time's a charm; but more general; used as a lighthearted justification for doing something a third time, for including a third person, for taking a third drink, etc.

all cats are grey in the dark

(idiomatic) a request to close an open window letting cold air in despite a bad smell in the room

and they lived happily ever after (formulaic ending of fairy tales)

A saying of memento mori, often written on cemetery walls and the like; literally: what you are, we were; what we are, you will be