Do as most men do, than most men will speak well of you

Go with the crow. If you try to act differently from the majority you will become unpopular. Robert Nagent wrote:

Safer with multitudes to stray,
Than tread alone a fairer way:
To mingle with the erring throng,
Than boldly speak ten millions wrong.

See also:

• There is safety in numbers
• When in Rome do as the Romans do