Perfect grammar - persistent, continuous, sustained - is the fourth dimension, so to speak; many have sought it, but none has found it.

I was born lazy. I am no lazier now than I was forty years ago, but that is because I reached the limit forty years ago. You can't go beyond possibility.

there was no crime in unconscious plagiarism; that I committed it everyday, that he committed it everyday, that every man alive on earth who writes or speaks commits it every day and not merely once or twice but every time he open his mouth… there is nothing of our own in it except some slight change born of our temperament, character, environment, teachings and associations

Cooper's art has some defects. In one place in 'Deerslayer,' and in the restricted space of two-thirds of a page, Cooper has scored 114 offences against literary art out of a possible 115. It breaks the record.

All my life I have been honest-comparatively honest. I could never use money I had not made honestly-I could only lend it.

When your friends begin to flatter you on how young you look, it's a sure sign you're getting old.

Never put off till tomorrow what you can do day after tomorrow just as well.