Paraphrasing Ephesians 5:15-18

Consider how you live by studying Scripture, pondering it with prayer, loving what it teaches so much that you are constantly thinking about it and talking to God about it. This will transform what you are. 

As a result, you will have clarity about what matters. It will purify your desires, your goals, your motivation because you will live with a better sense of the plans and purposes of God. 

This world will matter less to you, things temporal, earthly, and mortal will be subordinated in your heart to things eternal, heavenly, and immortal. 
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And in a time when few look at life the right way, you will know how to best use your time, you will make better choices, and you will live for what really matters:  the will of God. This is wise conduct.