original: Do not excuse what you did with what others did.
simplifications: Do not excuse what you did with what others people did. Do not defend your actions with others actions. Do not blame what you did on repeating after others. Do not excuse what others did. Excuse yourself. Do not excuse your actions with the actions of others. Do not excuse what you did with others' doings. Do not use the actions of others to justify your own actions. Do not excuse your mistake because others have done the same. Do not use what others did as an excuse for what you did. Don't excuse what you've done to others.