It is to be regarded as addressed primarily to the exiled Jews during their long and painful captivity in Babylon; Gods Promise to Isaiah that they who had been selected by God to be his special people had nothing to fear. This verse is plain in its meaning and is full of consolation.
“Fear not, for I am with you; be not dismayed, for I am your God; I will strengthen you, I will help you, I will hold you up with my victorious right hand.”
God is calling all of you to not be afraid, because God will strengthen you.
Through Christ, in a covenant way, as appeared by the effectual calling of them; and therefore might depend on his love, be sure of his power, expect all needful supplies.
This is a reason why they should not be afraid. God was their protector and of whom should they be afraid. If God be for us, who can be against us?‘ What higher consolation can man desire than the assurance that he is with him to protect him.
I am your God. That is, I am above you. I am over you with my mighty hand. Over you. I am with you. Beside you, I will help you from whatever angle the enemy may come.
According to the will of God; It isn’t necessary to understand God’s ways. All things work together for good. We don’t always understand our situations. Things will happen for no apparent reason. If you really knew what God was doing, you’d probably panic. God is working by a completely different set of values.
God is the strength of his people; they need not be afraid of any persons or things.
In fighting the Lord’s battles and in their journey to another world God will help all every mercy, temporal and spiritual wellness. If God commands us to do something, there are good reasons to do it. And power comes from understanding and believing those reasons.