James Blish book The Quincunx of Time
Source: The Quincunx of Time (1973), Chapter 10, “Weinbaum on Sinai” (p. 116)

The Quincunx of Time is a short science fiction novel by American writer James Blish. It is an extended version of a short story entitled "Beep", published by Galaxy Science Fiction magazine in 1954. The novel form was first published in 1973.
James Blish book The Quincunx of Time
Source: The Quincunx of Time (1973), Chapter 10, “Weinbaum on Sinai” (p. 116)
James Blish book The Quincunx of Time
Prologue, “A Frame on Randolph” (p. 18)
The Quincunx of Time (1973)
James Blish book The Quincunx of Time
Source: The Quincunx of Time (1973), Chapter 8, “The Courtship of Posi and Nega” (p. 84; ellipsis in the original)
James Blish book The Quincunx of Time
Source: The Quincunx of Time (1973), Chapter 8, “The Courtship of Posi and Nega” (p. 89)
“The technicians thought I was crazy. Now, five months later, I’ve proved it.”
James Blish book The Quincunx of Time
Source: The Quincunx of Time (1973), Chapter 7, “A Few Cosmic Jokes” (p. 72)
James Blish book The Quincunx of Time
Source: The Quincunx of Time (1973), Chapter 7, “A Few Cosmic Jokes” (p. 77)
James Blish book The Quincunx of Time
Source: The Quincunx of Time (1973), Chapter 10, “Weinbaum on Sinai” (pp. 118-119)
“The motto of the bureau,” Weinbaum said, “is, ‘sometimes something works.’”
James Blish book The Quincunx of Time
Source: The Quincunx of Time (1973), Chapter 7, “A Few Cosmic Jokes” (p. 75)
James Blish book The Quincunx of Time
Source: The Quincunx of Time (1973), Chapter 9, “A Comity of Futures” (p. 105)
“Something tells me that this isn’t going to be as simple as it looks.”
James Blish book The Quincunx of Time
“What is?” Wald said, raising his eyebrows.
“Nothing, of course. But hope springs eternal in the human spleen.”
Source: The Quincunx of Time (1973), Chapter 7, “A Few Cosmic Jokes” (p. 77)