Abraham Lincoln actually said...

to bow in humble submission to His chastisements, to confess and deplore their sins and transgressions in the full conviction that the fear ...

to pray with all fervency and contrition for the pardon of their past offenses and for a blessing upon their present and prospective action.

to humble ourselves before Him and to pray for His mercy.

Whereas it is fit and becoming in all people at all times to acknowledge and revere the supreme government of God.