Working hard makes our life interesting.
Mr. Inamori Kazuo, the founder of KYOCERA Corporation, had a lot of failures, when he was young.
He failed his entrance examination of the university which he wanted to enter.
He contracted TB (tuberculosis).
He was refused to be employed at some good companies.
His life could not go smoothly.
He finally got a job at a company, but it was far from an excellent company.