With a malevolence which is without parallel in history, he would work all day, and then sit up nights, and let on to be studying algebra by the light of a smoldering fire, so that all other boys might have to do that also, or else have Benjamin Franklin thrown up to them. Not satisfied with these proceedings, he had a fashion of living wholly on bread and water, and studying astronomy at meal time--a thing which has brought affliction to millions of boys since, whose fathers had read Franklin's pernicious biography.
- "The Late Benjamin Franklin"

If it had not been for him, with his incendiary "Early to bed and early to rise," and all that sort of foolishness, I wouldn't have been so harried and worried and raked out of bed at such unseemly hours when I was young. The late Franklin was well enough in his way; but it would have looked more dignified in him to have gone on making candles and letting other people get up when they wanted to.
- Letter from Mark Twain, San Francisco Alta California, July 25, 1869