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.
An average English word is four letters and a half. By hard, honest labor I've dug all the large words out of my vocabulary and shaved it down till the average is three and a half... I never write metropolis for seven cents, because I can get the same money for city. I never write policeman, because I can get the same price for cop.... I never write valetudinarian at all, for not even hunger and wretchedness can humble me to the point where I will do a word like that for seven cents; I wouldn't do it for fifteen.
I was sorry to have my name mentioned as one of the great authors, because they have a sad habit of dying off. Chaucer is dead, Spencer is dead, so is Milton, so is Shakespeare, and I’m not feeling so well myself.
There is no family in America without a clock, and consequently there is no fair pretext for the usual Sunday medley of dreadful sounds that issues from our steeples.
When a man stands on the verge of seventy-two you know perfectly well that he never reached that place without knowing what this life is - heartbreaking bereavement.
Do not undervalue the headache. While it is at its sharpest it seems a bad investment; but when relief begins, the unexpired remainder is worth $4 a minute.