do no evil is the tag line of
"Don't be evil" is the motto of Google's corporate code of conduct, first introduced around 2000. Following Google's corporate restructuring under the conglomerate Alphabet Inc. in October 2015, Alphabet took "Do the right thing" as its motto, also forming the opening of its corporate code of conduct. The original motto was retained, however, in the code of conduct of Google, now a subsidiary of Alphabet.