Slavery:

“Is life so dear, or peace so sweet, as to be purchased at the price of chains and slavery? Forbid it, Almighty God! I know not what course others may take; but as for me, give me liberty or give me death!”
― Patrick Henry
― Patrick Henry

“Knowledge makes a man unfit to be a slave.”
― Frederick Douglass

“Those who deny freedom to others deserve it not for themselves.”
― Abraham Lincoln
