It is curious and interesting to notice what an attraction a fussy, mincing, nickel-plated word has for you.

You can tell German wine from vinegar by the label.

I wrote 'Tom Sawyer' and 'Huck Finn' for adults exclusively, and it always distressed me when I find that boys and girls have been allowed access to them. The mind that becomes soiled in youth can never again be washed clean.

It takes your enemy and your friend, working together, to hurt you to the heart: the one to slander you and the other to get the news to you.

Half of the results of a good intentions are evil; half the results of an evil intention are good.

We could use up two Eternities in learning all that is to be learned about our own world and the thousands of nations that have arisen and flourished and vanished from it. Mathematics alone would occupy me eight million years.

The so-called Christian nations are the most enlightened and progressive ... but in spite of their religion, not because of it. The Church has opposed every innovation and discovery from the day of Galileo down to our own time, when the use of anesthetic in childbirth was regarded as a sin because it avoided the biblical curse pronounced against Eve. And every step in astronomy and geology ever taken has been opposed by bigotry and superstition. The Greeks surpassed us in artistic culture and in architecture five hundred years before Christian religion was born.