Some miscellaneous responses to the four segments from B, Russell, R. Feynman, M. Dillihunty, C. Sagan.
... A very gentlemanly explanation of his personal atheism.
Yes, Bertrand Russell's British diplomatic civility is noted.
He starts be saying he sees no evidence whatever of any Christian dogma.
Well, this could be a case of not wanting to admit his sinful conduct.
A Christian dogma is that all have sinned. He sees no evidence in his life that he had committed transgressions, if not against God, against his fellow man?
I might count this not as, ie. " having not seen any evidence for Christian dogma " but stubborn dismissal of the conviction of his own conscience that he did dirt to anyone ever.
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He goes on to say that if something is true you should believe it. And if it is not true you shouldn't. One Christian teaching is that all people have sinned. There is no evidence that that would not apply to Bertrand Russell as well as all other people living.
Very smart people can often be very self righteous and unwilling to admit that they have sinned. Or they wish to play word games so as not to call moral wrong doing by that biblical designation - "sin". That's usually just a semantic dodge.
Sin carries the implication of having "missed the mark" as in shooting an arrow at a target. There is a moral bull's eye. All have at one time or another, and many times throughout life - "miss the mark" go astray of the moral "bull's eye target" of right behavior.
"All have sinned and come short of the glory of God" is a Christian teaching.
Betrand Russell had " no evidence whatever" that he has missed the mark, misaimed morally and been less than well calibrated in his dealings with moral behavior ?