To show that the most prosperous condition of life is often hazardous, his lesson was, "When you slide on the smoothest ice, beware of pits beneath."

Meantime she must beware of security, and cultivate caution; and so successful was she, that weeks passed, and not a single doubt associated Dorothy with knowledge where others desired to know.

He meant by that, that we should beware of sleeping: wherefore, "let us not sleep as others do, but let us watch and be sober.