Verses with the word preservest in the Old Testament (2 verses):

Nehemiah 9:6
Thou, even thou, art LORD alone; thou hast made heaven, the heaven of heavens, with all their host, the earth, and all things that are therein, the seas, and all that is therein, and thou preservest them all; and the host of heaven worshippeth thee.

Psalms 36:6
Thy righteousness is like the great mountains; thy judgments are a great deep: O LORD, thou preservest man and beast.