In Oedipus Rex, Oedipus figures out that he married his own mother and killed his own father. He realizes his life is ruined and pokes his eyes out with a sword. He basically gave up his own life and later relied his life with his daughter Antigone, in Oedipus at Colonus.
In the 4th quarter of a basketball game and your team is down by 1 point and your team is counting on you to score the final shot. They inbound the ball to you and you are dribbling up the court and you lose the ball. The opposing team scores and there is only 20 seconds to spare. Would you give up? Would you try your best to score? Well, studies have shown that if people tried their best till the end, they will most likely to be successful for example winning a game.
“The secret of our success is that we never, never give up.” -Wilma ManKiller
As I said before, the key to success is to never give up. If everyone tries their best at everything, then everyone will most likely to succeed. For example getting an A on a test, winning a sports game, attending to a great college, etc.