Skeptical Quotes
You can go wrong by being too skeptical as readily as by being too trusting.
Robert A. Heinlein (1987). “Time Enough for Love”, p.330, Penguin
One, I am skeptical of the effectiveness of nutritional supplements.
Michael Shermer (2016). “Skeptic: Viewing the World with a Rational Eye”, p.154, Henry Holt and Company
"The Fifth Agreement : A Practical Guide to Self-Mastery". Book by Miguel Angel Ruiz, 2009.