In Psalm 63 David describes his thirst and longing for God. It's not something we have to try for -- our desire for God is already in our hearts whether we know it or not. And while some seek to fulfill that desire through money and success, ultimately God is the only one who can satisfy. When we find Him and grace through Jesus, that satisfaction pours out of us through praise and telling others. We have to allow ourselves to desperately cling to God who sustains and satisfies us.