Who said “There's only one corner of the universe you can be certain of improving, and that's your…”?

“The place to improve the world is first in one's own heart and head and hands.”

“He was always smoothing and polishing himself, and in the end he became blunt before he was sharp.”

“People never improve unless they look to some standard or example higher and better than themselves.”

“The way for a young man to rise, is to improve himself every way he can, never suspecting that any body wishes to hinder him.”

“Self-help books are making life downright unsafe. Women desperate to catch a man practice all the ploys recommended by these authors. Bump into him, trip over him, knock him down, spill something on him, scald him, but meet him.”

“Experience teaches only the teachable.”

“The only completely consistent people are the dead.”

“Facts do not cease to exist because they are ignored.”

“Speed, it seems to me, provides the one genuinely modern pleasure.”

“A fanatic is a man who consciously over compensates a secret doubt.”

“Man is an intelligence, not served by, but in servitude to his organs.”