"Scientists have established huge numbers of links between particular diseases and snippets of DNA, but in the great majority of cases, this has not yet been translated into treatments that can help cure patients. These treatments will come - tomorrow, or the day after."

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Missionarying was a better thing in those days than it is in ours. All you had to do was to cure the head savage´s sick daughter by a miracle- a miracle like the miracle of Lourdes in our day, for instance- and immediately that head savage was your convert, and filled to the eyes with a new convert´s enthusiasm. You could sit down and make yourself easy now. He would take the ax and convert the rest of the nation himself.

— Mark Twain