That man is the noblest creature may also be inferred from the fact th >>
Of all the inventions of man I doubt whether any was more easily accom >>
The sure conviction that we could if we wanted to is the reason so man >>
Everything that explains the world has in fact explained a world that >>
Theories are always very thin and insubstantial, experience only is ta >>
Good tests kill flawed theories; we remain alive to guess again. >>
Some theories are good for nothing except to be argued about.