What Is the Meaning of the Verse "Be Still and Know That I Am God"?

Be still’ calls on them to stop doing one thing in favor of something else.
Be still, and know that I am God. I will be exalted among the nations, I will be exalted in the earth!" The LORD of hosts is with us; the God of Jacob is our fortress.
Psalm 46:9
10 He says, “Be still, and know that I am God; I will be exalted among the nations, I will be exalted in the earth.”
Be still and know that I am God,” Psalm 46:10, is a popular verse for comforting ourselves and others—many people tend to think this verse means to rest or relax in who God is.
Psalm 119:15 Joshua 1:8; Luke 5:16 
15 I meditate on your precepts and consider your ways.
Joshua 1:8
8 Keep this Book of the Law always on your lips; meditate on it day and night, so that you may be careful to do everything written in it. Then you will be prosperous and successful.
John 8:28
So Jesus said, "When you have lifted up the Son of Man, then you will know that I am he and that I do nothing on my own but speak just what the Father has taught me.
Luke 5:16
16 But Jesus often withdrew to lonely places and prayed.
God is our refuge and strength acknowledge who your God is.
‘Know that I am God.’ The knowledge of God includes factual knowledge about him, his past acts, and his promises.
The key commands we read in these various translations are “be still,” “cease striving,” and “stop.” The next command “know” is the same in all the above translations, which lends itself in this context to mean “acknowledge” and “be in awe.” God will make sure his name is glorified among the nations and in all the earth.
7 Bible Translations of Psalm 46:10
English Standard Version
“Be still, and know that I am God. I will be exalted among the nations, I will be exalted in the earth!”
New American Standard Bible
"Cease striving and know that I am God; I will be exalted among the nations, I will be exalted in the earth."
King James Version
“Be still, and know that I am God: I will be exalted among the heathen, I will be exalted in the earth.”
New King James Version
“Be still, and know that I am God: I will be exalted among the nations, I will be exalted in the earth!”
"Be Still and Know That I Am God"
Be still… is written in the context of a time of trouble and war