G.K.Chesterton was a childrens book writer who under attack early in the century for writing stories for children that were similar to Grims's fairy tales (the darker ones). His response to criticism was this quote:
"Fairy tales are more than true; not because they tell us that dragons exist, but because they tell us that dragons can be beaten."
— G.K. Chesterton
some others (from Goodreads)
"Always forgive your enemies; nothing annoys them so much."
— Oscar Wilde
"Outside of a dog, a book is man's best friend. Inside of a dog it's too dark to read."
— Groucho Marx (The Essential Groucho)
"Beauty is in the eye of the beholder and it may be necessary from time to time to give a stupid or misinformed beholder a black eye. (as said by Miss Piggy)"
— Jim Henson
"The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it."
— Terry Pratchett