“Funny sort of science! I guess they were pretty ignorant in those days.”
“Don’t go running down our grandfathers. If it weren’t for them, you and I would be squatting in a cave, scratching fleas. No, Bub, they were pretty sharp; they just didn’t have all the facts. We’ve got more facts, but that doesn’t make us smarter.”
A Tenderfoot in Space (p. 691)
Short fiction, Off the Main Sequence (2005)
Help us to complete the source, original and additional information
Robert A. Heinlein 557
American science fiction author 1907–1988Related quotes

“The method of guessing the equation seems to be a pretty effective way of guessing new laws”
The Character of Physical Law (1965)
Context: …Dirac discovered the correct laws for relativity quantum mechanics simply by guessing the equation. The method of guessing the equation seems to be a pretty effective way of guessing new laws. This shows again that mathematics is a deep way of expressing nature, and any attempt to express nature in philosophical principles, or in seat-of-the-pants mechanical feelings, is not an efficient way.

“Labor history was pornography of a sort in those days, and even more so in these days.”
Source: Jailbird (1979), p. 12 (prologue)
Context: Labor history was pornography of a sort in those days, and even more so in these days. In public schools and in the homes of nice people it was and remains pretty much taboo to tell tales of labor's sufferings and derring-do.

“I guess when you turn off the main road, you have to be prepared to see some funny houses.”
Source: Stephen King 6: The Bachman Books/Thinner/The Tommyknockers

Roy Campanella, regarding his decision to populate his "ultimate lineup" almost exclusively with teammates; as quoted in The Greatest Team of All Timeː As Selected by Baseball's Immortals, From Ty Cobb to Willie Mays (1994) by Nicholas Acocella and Donald Dewey, p. 17