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'To my 15-year-old self': Things I wish I'd known

Today is International Day of the Girl -- a date on the annual calendar set aside to advocate for girls' rights and raise issues of gender bias. <br/><br/>CNN spoke to some of the world's most remarkable and impressive women -- from across the fields of politics, science, media, sports and culture -- to find out: "Looking back, what one piece of advice would you give to your 15-year-old self?" By <strong>Lauren Said-Moorhouse</strong>, <strong>Ines Torre</strong> and <strong>Matthew Ponsford</strong>, for CNN.<br/><br/>The wife of Microsoft co-founder Bill Gates, <strong><a href='https://twitter.com/melindagates' target='_blank'>Melinda Gates</a></strong> is is a prominent American businesswoman and philanthropist as well as the co-chair of the <strong><a href='http://www.impatientoptimists.org/en/Posts/2012/10/International-Day-of-the-Girl-What-It-is-and-How-You-Can-Help' target='_blank'>Bill and Melinda Gates Foundation</a></strong>.

Today is International Day of the Girl -- a date on the annual calendar set aside to advocate for girls' rights and raise issues of gender bias.

CNN spoke to some of the world's most remarkable and impressive women -- from across the fields of politics, science, media, sports and culture -- to find out: "Looking back, what one piece of advice would you give to your 15-year-old self?" By Lauren Said-Moorhouse, Ines Torre and Matthew Ponsford, for CNN.

The wife of Microsoft co-founder Bill Gates, Melinda Gates is is a prominent American businesswoman and philanthropist as well as the co-chair of the Bill and Melinda Gates Foundation.