There is a wisdom in this beyond the rules of physic: a man's own observation what he finds good of and what… — Francis Bacon Copy Share Image
Sickness sensitizes man for observation, like a photographic plate. — Edmond de Goncourt Copy Share Image
One man's observation is another man's closed book or flight of fancy. — Willard Van Orman Quine Copy Share Image
The true spirit of conversation consists in building on another man's observation, not overturning it. — Anonymous Copy Share Image
