Without Freedom of Thought, there can be no such Thing as Wisdom; and no such Thing as publick Liberty, without Freedom of Speech: Which is the Right of every Man, as far as by it he does not hurt and controul the Right of another; and this is the only Check which it ought to suffer, the only Bounds which it ought to know.
 

– Cato's Letters, Cato's Letters No. 15 [1720]