The principle is that the God who created the heavens and the earth knows the grand design of this earth, that He has dominion over all things in the heavens and the earth, and that in order to bring to pass the plan of salvation, He provides us with many different experiences—including some trials—while we are on this earth.
Sodizin bee nabikʼísiilkeesgo nihijéí biyiʼ God beʼayóíʼíʼóʼní dóó bihódzą́ baa ahééh niidzingo ánihidoolííł.—Joshua 1:8; Psalm 1:1-3 yííníłtaʼ.LDS LDS