Answer:
1787 comment on human infallibility resonates today. ... He said, (paraphrasing), that, “living as long as I have, I've come to the conclusion that we must all, at times, doubt our own infallibility.”
Explanation:
Become an astronaut. You'll see that it's round.
I'd say the answer is A, since we see fire in the first line and frost in the third line.