The most exhausting thing in life is Posted on October 20, 2016October 20, 2011 by admin “The most exhausting thing in life is being insincere.” — Anne Morrow Lindbergh Author: Anne Morrow Lindbergh Category: life Tags: life, Anne Morrow Lindbergh Spread the love Related posts: The art of life is to know With the past, I have nothing to Life well spent is long. Wrong life cannot be lived rightly.