look before you leap

US /lʊk bɪˈfɔr ju lip/
UK /lʊk bɪˈfɔr ju lip/
"look before you leap" picture
1.

pensar antes de agir, ponderar bem

think carefully about what you are going to do before you do it, because once it is done, you cannot change it

:
It's always wise to look before you leap when making big decisions.
É sempre sensato pensar antes de agir ao tomar grandes decisões.
Don't just quit your job without a plan; look before you leap.
Não largue seu emprego sem um plano; pense antes de agir.