A "good motto" is a short phrase or slogan that represents positive beliefs or values. It can be used as a guiding principle or reminder to live by. Full definition
«Remember and repent» and «remember and forgive» are better mottoes for the restoration of political health than «Forgive and forget.» (religion-online.org)
All three are looking to differentiate themselves from the established fast - food chains with feel - good mottos meant to appeal to the Millennial crowd. (fortune.com)