'Three' in the Bible

The horseleach hath two daughters, crying , Give, give. There are three things that are never satisfied, Yea , four that say not, Enough:

There are three things which are too wonderful for me, Yea, four which I know not:

For three things the earth doth tremble, And for four, which it cannot bear:

There are three things which are stately in their march, Yea, four which are stately in going: