here. The timeline of the story is summarized here: Part I; Part II.
Memorable passages include Saunder's farewell to the sun:
"So, good-by, Sol, he thought. Good-by, and thank you for many million years of warmth and light. Sleep well, old friend."
-Poul Anderson, "Flight to Forever" IN Anderson, Past Times (New York, 1984), pp. 207-288 AT Chapter Six, p. 284.
Taury's reminiscence (see here):
"'...I thought I deserved this last farewell to the days when we fought with our own hands, and fared between the stars, when we were a small band of sworn comrades whose dreams outstripped our strength.'" (p. 275)
Saunder's reflection on his experience of future history:
"Man's works were so horribly impermanent; he thought with a sadness of the cites and civilizations he had seen rise and spend their little hour and sink back into the night and chaos of time." (Chapter 3, p. 238)