In some causes silence is dangerous.
When in Rome, live as the Romans do; when elsewhere, live as they live elsewhere.
There is nothing evil save that which perverts the mind and shackles the conscience.
When you are at Rome live in the Roman style when you are elsewhere live as they live elsewhere.
When I go to Rome, I fast on Saturday, but in Milan I do not. Do you also follow the custom of whatever church you attend, if you do not want to give or receive scandal.