Why was Abraham Lincoln a great President?

Abraham Lincoln's strengths were his empathy and unquenchable thirst to always be learning.  He grew up in a humble beginnings where his passions involved reading.  He become a self-taught lawyer.  During the Civil War, he dove into books of military history.  After two years of war, he learned to trust his instincts and installed the right general leadership to execute and win the war.  He was the near perfect example of an orator.  Not long winded but delivered his powerful rhetoric in the just right amount.