I have heard him oft maintain it to be fit that, sons at perfect age and fathers declined, the father should be as ward to the son, and the son manage his revenue.

– William Shakespeare

King Lear, Act 1, Scene 2. Edmund continues to lie to Gloucester about his half-brother Edgar, in the hope of tricking his father into making him heir to his fortune instead of Edgar. He makes up a story claiming that Edgar has been saying when sons reach maturity and fathers grow old and feeble, the son should take care of them and manage their money.