Today, the passage reminds me of God` s power and sovereignty.
As human with limited view and ability, we are unable to see the bigger picture God sees.
That is why we will never understand wholy what God has planned for us or even for the world.
What can we do, however, as one of His creations to do what we can and work with whatever God has given to us. We might complain when we don`t really get why God wants us to be in some place or work on the same thing over and over again or simply why we live; but have faith that our lives have been planned by God and we have to do what we have to do, our works will never be in vain when we do it in God.