Scientific research sooner or later, but inevitably, encounters something ultimately given that it cannot trace back to something else of read more

Scientific research sooner or later, but inevitably, encounters something ultimately given that it cannot trace back to something else of which it would appear as the regular or necessary derivative. Scientific progress consists in pushing further back this ultimately given.

All rising to great place is by winding stair.

All rising to great place is by winding stair.

Take your work seriously, but never yourself.

Take your work seriously, but never yourself.

Society is like air; very high up, it is sublimated--too low down, a perfect choke-damp.

Society is like air; very high up, it is sublimated--too low down, a perfect choke-damp.

Scientific progress consists in the development of new concepts.

Scientific progress consists in the development of new concepts.

The thoughts of Plato and Machiavelli... don't seem quite enough armor for a world beset with splitting the atoms, urban read more

The thoughts of Plato and Machiavelli... don't seem quite enough armor for a world beset with splitting the atoms, urban guerrillas, nineteen varieties of psychotherapists, amplified guitars, napalm, computers, astronauts, and an atmosphere polluted simultaneously with auto exhaust and TV commercials.

I have steadily endeavored to keep my mind free so as to give up any hypothesis, however much beloved (and read more

I have steadily endeavored to keep my mind free so as to give up any hypothesis, however much beloved (and I cannot resist forming one on every subject), as soon as the facts are shown to be opposed to it.

The rich man in his castle, the poor man at his gate, God made them, high or lowly, and ordered read more

The rich man in his castle, the poor man at his gate, God made them, high or lowly, and ordered their estate.

All human progress, even in morals, has been the work of men who have doubted the current moral values, not read more

All human progress, even in morals, has been the work of men who have doubted the current moral values, not of men who have whooped them up and tried to enforce them.