look before one leaps

idiom (1)

Definition of look before one leaps

 (Entry 1 of 2)

: to think or learn about the possible bad results of an action before doing it If you're planning to invest in your friend's company, I advise you to look before you leap.

look out for number one

idiom (2)

Definition of look out for number one (Entry 2 of 2)

: to think primarily about oneself and do what helps one most We don't want a senator who's (only/always) looking out for number one.

Comments on look before one leaps

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showing great care, attention, and effort

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