Instead of picking 3 people I have listed 6 quotes.
Liberty has never come from the government. Liberty has always come from the subjects of it. The history of liberty is a history of resistance.” Woodrow Wilson.
For to be free is not merely to cast off one’s chains, but to live in a way that respects and enhances the freedom of others.” Nelson Mandela.
Those who deny freedom to others deserve it not for themselves.” Abraham Lincoln.
“When the people fear the government there is tyranny, when the government fears the people there is liberty.” John Basil Barnhill.
“If liberty means anything at all, it means the right to tell people what they do not want to hear.” George Orwell.
“My definition of a free society is a society where it is safe to be unpopular.” Adlai Stevenson, speech, Detroit, 1952.
BY FOR NOW