Expect no reward when you serve the wicked, and be thankful if you escape injury for your pain - Aesop

Crow became very jealous of a Raven, because the latter was regarded by men as a bird of omen which foretold the future, and was accordingly held in great respect by them. She was very anxious to get the same sort of reputation herself; and, one day, seeing some travellers approaching, she flew on to a branch of a tree at the roadside and cawed as loud as she could. The travellers were in some dismay at the sound, for they feared it might be a bad omen; till one of them, spying the Crow, said to his companions, “It’s all right, my friends, we can go on without fear, for it’s only a crow and that means nothing.” Those who pretend to be something they are not only make themselves ridiculous.

The North Wind and the Sun

"OLD WOMAN having lost the use of her eyes, called in a Physician to heal them, and made this bargain with him in the presence of witnesses: that if he should cure her blindness, he should receive from her a sum of money; but if her infirmity remained, she should give him nothing. This agreement being made, the Physician, time after time, applied his salve to her eyes, and on every visit took something away, stealing all her property little by little. And when he had got all she had, he healed her and demanded the promised payment. The Old Woman, when she recovered her sight and saw none of her goods in her house, would give him nothing. The Physician insisted on his claim, and, as she still refused, summoned her before the Judge. The Old Woman, standing up in the Court, argued: "This man here speaks the truth in what he says; for I did promise to give him a sum of money if I should recover my sight: but if I continued blind, I was to