Why, it is the prohibition that makes anything precious. There is a charm about the forbidden that makes it unspeakably desirable.

Mark Twain (1835-1910) American writer [pseud. of Samuel Clemens]

Note (1896-02), Mark Twain’s Notebook, ch. 24 “Ceylon and India” (1935) [ed. Albert Bigelow Paine]
    (Source)

Speaking of Adam and the original Forbidden Fruit. Written while in Bombay, India.