Again, two years later, in an interview with Time Magazine, February, 1948, Oppenheimer stated, “In some sort of crude sense which no vulgarity, no humor, no overstatement can quite extinguish, the physicists have known sin; and this is a knowledge which they cannot lose.” When asked why he and other physicists would then have worked on such a terrible weapon, he confessed that it was “too sweet a problem to pass up”…
https://www.worldscientific.com/doi/10.1142/9789812709189_00...
Again, two years later, in an interview with Time Magazine, February, 1948, Oppenheimer stated, “In some sort of crude sense which no vulgarity, no humor, no overstatement can quite extinguish, the physicists have known sin; and this is a knowledge which they cannot lose.” When asked why he and other physicists would then have worked on such a terrible weapon, he confessed that it was “too sweet a problem to pass up”…