The discovery of agriculture was the first big step toward a civilized life.

Evolution is unproved and unprovable. We believe it only because the only alternative is special creation, and that is unthinkable.

A drunkard is one thing, and a temperate man is quite another.

This world of ours has been constructed like a superbly written novel: we pursue the tale with avidity, hoping to discover the plot.

Man is by nature competitive, combative, ambitious, jealous, envious, and vengeful.

There are the further difficulties of building a population out of a diversity of races, each at a different stage of cultural evolution, some in need of restraint, many in need of protection; everywhere a bewildering Babel of tongues.

It is just because civilization is ever evolving, changing, and becoming more complicated, that experts find it so difficult to define it in explicit terms.