'Four' in the Bible

For the leech, [there are] two daughters; "Give, give!" [they cry]. As for three of these, they are not satisfied; as for four, they do not say enough.

Three of these are [too] wonderful for me, and four, I do not understand them:

Under three [things] the earth trembles, and under four, it is not able to bear up:

There [are] four small things on the earth, and they [are] {exceedingly wise}:

There [are] three [things] that are magnificent of stride, and four that are magnificent [when] moving: