Alan Alexander Milne (1882-1956) was an English author, best known for his books about the teddy bear Winnie-the-Pooh and for various poems. Milne was a noted writer, primarily as a playwright, before the huge success of Pooh overshadowed all his previous work. Milne served in both World Wars, joining the British Army in World War I, and was a captain of the BritishHome Guard in World War II.
Winnie-the-Poh and his friends are famous for their abiliy to always look on the bright side of life. So, when in doubt, think of this inspiring quote.