Never give up

We forget Lincoln's road to the White House:

Failed in business in 1831,
defeated for legislature in 1832,
second failure in business in 1833,
suffered nervous breakdown in 1836,
defeated for Speaker in 1838,
defeated for Elector in 1840,
defeated for Congress in 1843,
defeated for Congress in 1848,
defeated for Congress in 1848,
defeated for Senate in 1855,
defeated for Vice-President in 1856,
defeated for Senate in 1858,
elected President in 1860.

Also see Don't give up