All deduction rests ultimately upon the data derived from experience. This is the tortoise that supports our conception of the cosmos.


Mars, Chapter I (p. 6)


All deduction rests ultimately upon the data derived from experience. This is the tortoise that supports our conception of the cosmos.

All deduction rests ultimately upon the data derived from experience. This is the tortoise that supports our conception of the cosmos.

All deduction rests ultimately upon the data derived from experience. This is the tortoise that supports our conception of the cosmos.

All deduction rests ultimately upon the data derived from experience. This is the tortoise that supports our conception of the cosmos.