God is my strength, my song and my salvation.

Exodus 15:1-21
Moses and the Israelites sane the song to the Lord.
The Lord is my strength and my defense [song]; he has become my salvation.
He is my God, and I will praise him, my father's God, and I will exalt him. The Lord is a warrior; the Lord is his name.
In your unfailing love you will lead the people you have redeemed. In your strength you will guide them to your holy dwelling.
If ever a victory deserves is be recorded for posterity this one does.
For Moses leads the people in a great paean(歡樂歌) of triumph; God has saved Israel; he has destroyed their enemy.
Then Miriam and all the women take up the refrain(副歌), and dance for joy.The song is a fine example of ancient Semitic poetry.
Why?
One more time here define the position of the Lord in our life.
The Lord is my strength: When I am weak, God is my strength, let me can stand firm.
The Lord is my defense or my song: God help me to defense enemy, to face the challenge, sing a song to praise God may calm down my worry.
The Lord is my salvation: God redeems me, rescue me from the pit or net of enemy.
Lord is a warrior: God fights enemy before me, I can do is follow Him and be still.
How?
Praise the Lord, he is my strength, my song and my salvation. I will exalt him.