Choose the best spanish equivalent to the phrase. honesty is the best policy. a donde fueres haz lo que vieres. caras vemos, corazones no sabemos. el amor todo lo puede. lo mejor es ser franco.

According to this phrase, the best thing to do is to be honest. If you are honest you are a frank and open person, this means you express what you think or feel with sincerity and clarity.

Now,  in this context the best Spanish equivalent to this phrase is:

The best thing is to be frank (honest, sincere)

The other options are incorrect because are not in accordance with the context of the phrase given:

-A donde fueres haz lo que vieres (Wherever you go do what you see) which means something like: respect the customs of the place where you arrive and integrate yourself in in their idiosyncrasies.

-Caras vemos, corazones no sabemos (Faces we see, hearts we do not know) meaning that we must not be guided by appearances.

-El amor todo lo puede (The love conquers all) meaning the power of love is great and can overcome everything.

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