Freedom of thought is the freedom of an individual to hold or consider a fact, viewpoint, or thought, independent of others' viewpoints.
"Without freedom of thought there can be no such thing as wisdom & no such thing as public liberty without freedom of speech", Benjamin Franklin, 1722
Bronze statue of Giordano Bruno in Rome
Freedom is the power or right to speak, act and change as one wants without hindrance or restraint. Freedom is often associated with liberty and autonomy in the sense of "giving oneself one's own laws".
Four Freedoms, a series of 1943 paintings by Norman Rockwell honoring Franklin D. Roosevelt's Four Freedoms, meant to describe the freedoms for which allied nations fought in World War II.