The Lord knows everything, He was, He is, He always will be

Deuteronomy 31:14-30
The Lord said to Moses,"Now the day of your death is near"
The Lord said to Moses:"Israelite will soon prostitute themselves to the foreign gods of the land they are entering. Many disasters and difficulties will come upon them, and I will hide my face on that day because of all their wickedness in turning to other gods."
The Load asked Moses, write down for yourselves this song and teach it to the Israelite and have them sing it, so that it may be a witness for me against them.
The Lord knows what they are disposed to do, even before the Lord bring them into the land the Lord promised them on oath.
Moses believed the words of the Lord, for Israelite have been rebellious against the Lord while he is still alive and with them, how much more will they rebel after he die! How rebellious and stiff-necked you are.
Why?
The Lord knows in advance Israelite will turn away to the foreign gods, but because the oath has made with their forefather, so the Lord keep his promise to lead those stiff-necked people enter the promise land. No matter what man has done or will do. And the Lord has his plan to save those people- by his own son's blood to erase the sin of the man.
How sad Moses was when he knew his day is ending, but his health is nice, he is release from his burden and go back to the heaven. Moses believes every word of the Lord, and executed carefully except hit the rock for the water.
How?
Carefully listen and obey the words of the Lord, this world has many attraction ad track to induce us turn away from the way of the Lord, reading Hid word everyday and pray to the Lord give us the strength and faith to follow Him. Go to the church every Holy day and make show the faith in behavior.
The Lord, He was, He is, He always will be, He is to come.