Answer:
No, "Don't believe everything you say" is not a universal literary theme.
Explanation:
If you had said "don't believe everything you hear" then i'd tell you yes.<u><em> Don't believe everything you say</em></u> is not a well known saying that could be used globally. <u>It is a literary theme but not a universal one.</u>
Emerson said that "To be great is to be misunderstood." He also said that a great person constantly changes. He cited examples of great men like Pythagoras, Socrates, Jesus Christ, Luther, Copernicus, Galileo, and Newton. A great individual must also not violate one's nature even though that person may not be understood by the society.
Hope it helped!
