One's only security in life comes from doing something uncommonly well.

As President, I have no eyes but constitutional eyes; I cannot see you.

I am in favor of a national bank...in favor of the internal improvements system and a high protective tariff.

No one has needed favours more than I, and generally, few have been less unwilling to accept them; but in this case, favour to me,would be injustice to the public, and therefore I must beg your pardon for declining it.

The Constitution is not a suicide pact.

One generation passeth away and another generation cometh, but the earth abideth forever.

You think slavery is right and ought to be extended; while we think it is wrong and ought to be restricted. That I suppose is the rub. It certainly is the only substantial difference between us.