Related:

• He that plants thorns must never expect to gather roses. Arab Proverb
• There was once, in a remote part of the East, a man who was altogether void of knowledge and experience, yet presumed to call himself a physician.
  -- Pilpay (or Bidpai) -- The Ignorant Physician, Chap. iii, Fable viii...
• There is no gathering the rose without being pricked by the thorns.
  -- Pilpay (or Bidpai) -- The Two Travellers, Chap. ii, Fable vi...
• Guilty consciences always make people cowards. -- Pilpay (or Bidpai) -- The Prince and his Minister, Chap.
  iii, Fable iii...
• What is bred in the bone will never come out of the flesh.
  -- Pilpay (or Bidpai) -- The Two Fishermen, Chap. ii, Fable xiv...
• There are some who bear a grudge even to those that do them good.
  -- Pilpay (or Bidpai) -- A Religious Doctor, Chap. iii, Fable vi...
• It has been the providence of Nature to give this creature [the cat] nine lives instead of one.
  -- Pilpay (or Bidpai) -- The Greedy and Ambitious Cat, Chap. i, Fable iii...
• Whoever... prefers the service of princes before his duty to his Creator, will be sure, early or late, to repent in vain.
  -- Pilpay (or Bidpai) -- The Prince and his Minister, Chap. iii, Fable iii...
• Men are used as they use others. -- Pilpay (or Bidpai) -- The King who became Just, Chap.
  ii, Fable ix...