Examples old saying in Czech examples

How do I translate old saying into Czech?

Movie subtitles

Always saying you're going to die. Its getting so old.

Vy oba vždycky vyhrožujete sebevraždou.

News and current affairs

As the old saying goes: Don't count your chickens before they hatch.

Jak se říká v Americe: nepočítej kuřata dříve, než se vylíhnou.