""The majority of people are ready to throw their aims and purposes overboard, and give up at the first sign of opposition or misfortune. A few carry on DESPITE all opposition, until they attain their goal. These few are the Fords, Carnegies, Rockefellers, and Edisons. There may be no heroic connotation to the word persistence, but the quality is to the character of man what carbon is to steel.""
— Napoleon Hill