And then, the Earth being small, mankind will migrate into space, and will cross the airless Saharas which separate planet from planet and sun from s… - William Winwood Reade

The essence of religion is inertia; the essence of science is change. It is the function of the one to preserve, it is the function of the other to improve. If, as in Egypt, they are firmly chained together, either science will advance, in which case the religion will be altered, or the religion will preserve its purity, and science will congeal.

Industry is the only true source of wealth, and there was no industry in Rome. By day the Ostia road was crowded with carts and muleteers, carrying to the great city the silks and spices of the East, the marble of Asia Minor, the timber of the Atlas, the grain of Africa and Egypt; and the carts brought nothing out but loads of dung. That was their return cargo. London turns dirt into gold. Rome turned gold into dirt.

What a state of society is this in which free-thinker is a term of abuse, and in which doubt is regarded as sin?