A great thing can only be done by a great person and they do it without effort.

It's a great country, where anybody can grow up to be president... except me.

Eventually, I think Chicago will be the most beautiful great city left in the world.

The essence of America - that which really unites us - is not ethnicity, or nationality or religion - it is an idea - and what an idea it is: That you can come from humble circumstances and do great things.

Any great warrior is also a scholar, and a poet, and an artist.