The following quotes come from the book The Inspired Wisdom of Abraham Lincoln by Philip L. Ostergard. They are found on page 113
And I shall be most happy indeed if I shall be an humble instrument in the hands of the Almighty, and of this, His almost chosen people, for perpetuating the object of that great struggle.
I have often wished that I was a more devout man than I am. Nevertheless, amid the greatest difficulties of my Administration, when I could not see any other resort, i would place my whole reliance in God, knowing that all would go well and he would decide for the right.