Robert A. Heinlein: Man (page 3)

Robert A. Heinlein was American science fiction author. Explore interesting quotes on man.
Robert A. Heinlein: 1114   quotes 63   likes

“A man has to grow up in a language to be able to understand it scrambled.”

Source: Sixth Column (1949; originally serialized in 1941), Chapter 9 (p. 108)

“Man is not a rational animal; he is a rationalizing animal.”

Source: Tunnel in the Sky (1955), Chapter 2, “The Fifth Way” (p. 42)

“I think that’s unfair, Doctor. You certainly don’t expect a man to believe in things that run contrary to his good sense without offering him any reasonable explanation.”

Frost snorted. “I certainly do—if he has observed it with his own eyes and ears, or gets it from a source known to be credible. A fact doesn’t have to be understood to be true. Sure, any reasonable mind wants explanations, but it’s silly to reject facts that don’t fit your philosophy.”
Elsewhen (pp. 161-162)
Short fiction, Off the Main Sequence (2005)