In some Spanish-speaking countries there's a saying which goes something like this: "Si te digo que lleves el paraguas es porque llueve/lloverá".
It could literally be translated as the following: "Take the umbrella with you because it's rainning/ going to rain", meaning give heed to my word of advice as it will end up helping you. Is there an idiom to convey this idea? I remember hearing one some time ago but it has completely slipped my mind.
Top answer
"A word to the wise is sufficient"?
— Mister Micawber
"A word to the wise is sufficient"?
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I'm telling you this as a friend. I'm telling you this for your own good. One that matches the form you remember is "If I say jump, you say how high," but it doesn't mean what it should.