I liked your quotes Serena and Isa.
Found some quotes from some of the United States former presidents:
"Of all the dispositions and habits which lead to political prosperity, religion and morality are indispensible."~George Washington
"...it is religion and morality alone, which can establish the principles upon which freedom can securely stand."~John Adams
"Can the liberties of a nation be thought secure when we have removed their only firm basis, a conviction...that these liberties are the gift of God?"~Thomas Jefferson
A non-president:
"...the longer I live, the more convinced I become that God governs in the affairs of men..."~Benjamin Franklin