Even every one that is called by my name: for I have created him for my glory, I have formed him; yea, I have made him.
Isaiah 43:7 (KJV)
We have been created for the glory of God. This means our purpose for existing as born again children of the Most High God is so that we may be vessels and instruments through which His goodness can manifest in this world. We live not for ourselves, but for Him who has called us to a magnificent purpose and destiny.