Abraham Lincoln actually said...

"It is meet and right to recognize and confess the presence of the Almighty Father and the power of His hand equally in these triumphs and in these sorrows."

"I do set apart Thursday, the 6th day of August next, to be observed as a day for national thanksgiving, praise, and prayer."

"I invite the people of the United States to assemble on that occasion in their customary places of worship and in the forms approved by their own consciences render the homage due to the Divine Majest..."

"to visit with tender care and consolation throughout the length and breadth of our land all those who, through the vicissitudes of marches, voyages, battles, and sieges, have been brought to suffer in..."