“Those choice had to be made, Jeff thought He’d learned to accept the potential losses, in the hope that they would be outweighed by the gains. The only certain failure, he knew, and the most grievous, would be never to risk at all.”
Source: Replay (1986), Chapter 21 (p. 310)
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Ken Grimwood 5
American writer 1944–2003Related quotes

68
1940s–present, Minority Report : H.L. Mencken's Notebooks (1956)

“Most people would rather be certain they're miserable, than risk being happy.”

“If people knew how hard I had to work to gain my mastery, it would not seem so wonderful at all.”
Found attributed to Michelangelo in non-specialist publications as early as 1929 https://books.google.com/books?id=-0YhAQAAMAAJ&dq=If+people+knew+how+hard+I+had+to+work+to+gain+my+mastery%2C+it+would+not+seem+so+wonderful+at+all.&focus=searchwithinvolume&q=michelangelo, but no source is known. Not found in any known biography of Michelangelo.
Disputed