Which female singer was dropped by her record label after 3 months but now net worth is Millions?

Who overcame being told he 'Lacked imagination and had no good ideas?

Which successful writer started off as a single parent living off government assistance?

Which rapper couldn't get a record deal but now owns his own label and is worth over $550 million

Which South African leader was sent to prison for 3 decades

Which movies demonstrates perseverance?

Who was cut from his team at age 11 for a growth hormone deficiency and became the one of the greatest all time players at their sport?

Who was demoted from her job as a news anchor because she "wasn't fit for TV?

If you fail at something what can you do to persevere?