Observation... is the pitiless critic of theory; it detects weak points, and provokes reforms which may be the beginnings of discovery.


A Popular History of Astronomy During the Nineteenth Century (1885)

Agnes Mary Clerke Quotes

Observation... is the pitiless critic of theory; it detects weak points, and provokes reforms which may be the beginnings of discovery.

Observation... is the pitiless critic of theory; it detects weak points, and provokes reforms which may be the beginnings of discovery.

Observation... is the pitiless critic of theory; it detects weak points, and provokes reforms which may be the beginnings of discovery.

Observation... is the pitiless critic of theory; it detects weak points, and provokes reforms which may be the beginnings of discovery.