It may be called the Master Passion, the hunger for self-approval.

[I] shall never use profanity except in discussing house rent and taxes. Indeed, upon second thought, I will not use it then, for it is unchristian, inelegant, and degrading--though to speak truly I do not see how house rent and taxes are going to be discussed worth a cent without it.

America cannot have an empire abroad and a Republic at home.

In God We Trust. I don't believe it would sound any better if it were true.

I never write Metropolis for seven cents because I can get the same price for city. I never write policeman because I can get the same money for cop.

Next to possessing genius one's self is the power of appreciating it in others.

No one can write perfect English and keep it up through a stretch of ten chapters. It has never been done.