The earth is the Lord's. Psalm 24 basically says the earth is God's property. We have been given the privilege and responsibility of living on earth to see it isn't ruined.
I miss my kids sometimes and that can get me down when I've been away working, but then I wake up and recognize how incredibly lucky I am. Spending time being down is less time out there achieving and enjoying.
One of the hardest things in life is having words in your heart that you can't utter.

