Martin Luther King (Jr.) ...

Martin Luther King (Jr.) during the civil rights movement used to exclaim that he looked forward to heaven where he would be \
Martin Luther King (Jr.) during the civil rights movement used to exclaim that he looked forward to heaven where he would be "Free at last." That is the inscription on his tomb in Atlanta.

More phrases

All the great things are simple, and many can be expressed in a single word: freedom, justice, honor, duty, mercy, hope.
I know but one freedom and that is the freedom of the mind.
 Antoine de Saint-Exupéry
Freedom is not worth having if it does not connote freedom to err.
The amount of happiness that you have depends on the amount of freedom you have in your heart.
 Thích Nhất Hạnh
Without freedom of thought, there can be no such thing as wisdom - and no such thing as public liberty without freedom of speech.

Quotes from the same author

Prayer is the rope that pulls God and man together. But, it doesn't pull God down to us: It pulls us up to Him.
Only God Himself fully appreciates the influence of a Christian mother in the molding of character in her children.
I have the problems of, I must confess, old age.
The influence of a mother upon the lives of her children cannot be measured. They know and absorb her example and attitudes when it comes to questions of honesty, temperance, kindness and industry.
The thing that I remember the most in my childhood was the love of family and the discipline in the family. My father and mother both were disciplinarians, and they didn't mind using the rod. Maybe because I was the oldest child I always felt I got much more of it than anybody else.