Answer:
Though desert men once called me God today men call me mad. For I wag my tail when I am angry. And growl when I am glad.
I look at you you look at me I raise my right you raise your left.
In buckles or lace I help set the pace. The farther you go the thinner I grow.
I am a kind of coat that can only be put on when wet. What am I?
What is always coming but never arrives?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.