He further repudiated
 skepticism in an essay that offers "truisms" such as "the earth had existed for many years before my body
 was born" to demonstrate that there are absolute certainties.
This thinker offered his two hands as proof of the existence of external objects. He further repudiated
 skepticism in an essay that offers "truisms" such as "the earth had existed for many years before my body
 was born" to demonstrate that there are absolute certainties. This author used the Open-Ended Question to
 argue that "good" cannot be defined in his best-known work. This author of "A Defence of Common
 Sense" and "The Refutation of Idealism" dubbed any attempt to define good a "naturalistic fallacy." For 10
 points, name this British philosopher who penned Principia Ethica.
This thinker offered his two hands as proof of the existence of external objects.
George Edward {Moore}