"It may be said "In research, if you know what you are doing, then you shouldn't be doing it." In a sense, if the answer turns out to be exactly what you expected, then you have learned nothing new, although you may have had your confidence increased somewhat."

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I promise to keep on living as though I expected to live forever. Nobody grows old by merely living a number of years. People grow old only be deserting their ideals. Years may wrinkle the skin, but to give up interest wrinkles the soul.

— Douglas MacArthur