- Truth may be in the side of a few people. -- Plato
- No one can fully grasp the truth. -- Aristotle
- Only faithful to the facts, faithful to the truth. -- Zhou Enlai
- The first duty of a person in the courageous enough to probe into the truth. -- Copernicus
- I can calculate the orbit of celestial bodies, but I can not calculate the craziness of human nature. -- Isaac Newton