Titus 2:11-12 is a favorite passage of mine. "For the grace of God that brings salvation has appeared to all men. It teaches us to say "No" to ungodliness and worldly passions, and to live self-controlled, upright, and godly lives in this present age,"
This passage tells us that the power to live our lives as Christians comes from the Holy Spirit. It is quite a relief to me that I do not have to muster this power on my own. All any of us have to do is invite the Holy Spirit into our lives, through prayer, and ask Him to help us live a good and Christian life. If we do this through daily prayer, I assure you this prayer will be answered. You will look at life in a different way, have different priorities, and a different level of joy. I have lived on both sides and there is no comparison between living a life outside of God's will and living one in it.
It is not enough to renounce sin and evil desires, we must also live actively for God. As the above passage indicates, we must say no to ungodly activities and we must also say yes to active service for Christ. We are called to get involved in activities that advance the Kingdom of God here on earth. We must use the gifts and talents God has given each of us to do His work during our very short life on this planet.
Titus 2:11-12 reminds me of a quote by the 19th century pastor Adoniram Gordon, "It is the great work of nature to transmute sunlight into life. So it is the great end of Christian living to transmute the light of truth into the fruits of holy living."
Wishing you much success in your walk with Christ,