In the tragedy King Lear by William Shakespeare, King Lear's suffering and downfall was started by the blindness caused by his pride, helped along by his ungrateful daughters Goneril and Regan, and even his most loving daughter; Cordelia.
Goneril, Lear's eldest daughter was the first to proclaim her love for him. Ofcourse she exaggerates and flatters Lear, in hopes she gets a better portion of the kingdom. Regan, the middle child outdoes Goneril in her false proclamations of love, and ofcourse Lear believes them because of his pride and ego, and gives Regan an even larger portion of the kingdom than Goneril. So far, they have done nothing physically to Lear, but by massaging his ego, he is up for a let-down, which brings the focus on Cordelia, the youngest, and Lear's favorite. Cordelia receives the fury of her beloved King, adn says simply; "I love your Majesty / According to my bond, no more nor less" (Shakespeare, I, i, 94-95). The embarrassment to Lear is unacceptable, he therefore banishes her from the Kingdom of England.
Already, Lear is emotionally distraught over Cordelia's words. He decides to alternate between living with Goneril and Regan. Goneril instructs her servants to act coldly towards Lear, and disband his knights. He refuses, and storms towards Regan's castle. There, he finds similar treatment which has mentally wounded him, and they lock him out of the castle during a strom. Lear says "My wits begin to turn" (Shakespeare III, ii, 67). Lear realises he is beginning to lose his mind, falling ever more to the end, and throughout all this he curses his two daughters. His major mistake was entrusting the kingdom in the hands of Regan and Goneril.
Meanwhile, Cordelia is informed of this news, and goes to Lear's rescue, and he is further reduced by Cordelia and her kindness to him, which he believes she does not owe him. Furthermore, after a battle, Lear and Cordelia are captured, Cordelia hanged by Regan's orders.