The best Quotations

Do you know the writers of the following quotations?

Quotation A free society is a society where it is safe to be unpopular. - writer
Quotation There was one who thought himself above me, and he was above me until he had that thought. - writer
Quotation I am as bad as the worst, but, thank God, I am as good as the best. - writer
Quotation The men who have guided the destiny of the United States have found the strength for their tasks by going to their knees. This private unity of public men and their God is an enduring source of reassurance for the people of America. - writer
Quotation Poor little Foal of an oppressed race! I love the languid patience of thy face. - writer
Quotation Whenever a man does the best he can, then that is all he can do. - writer