If I wanted a loving father, a faithful husband, an honorable neighbor, and a just citizen, I would seek him among the band of Atheists

The brightest flashes in the world of thought are incomplete until they have been proven to have their counterparts in the world of fact.

Knowledge once gained casts a faint light beyond its own immediate boundaries. There is no discovery so limited as not to illuminate something beyond itself.

Knowledge once gained casts a light beyond its own immediate boundaries.

Superstition is ... religion which is incongruous with intelligence.

Science keeps down the weed of superstition not by logic, but by rendering the mental soil unfit for its cultivation