From his speech at the Democratic National Convention in 2004 that made him a household name to his farewell address in January, former President Barack Obama has captivated the world with his words.
On Obama's 56th birthday, we've compiled 17 of his most memorable inspirational quotes.
Back in 2004, Obama was still an Illinois state lawmaker running for US Senate, unknown to most of America.
By 2008, he won the presidency with 365 electoral votes and 53% of the popular vote.
Democrats swept into office that year, as they took control of both houses of Congress and the first black president entered the White House.
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