To become like Christ is the only thing in the world worth caring for, the thing before which every ambition of man is folly, and all lower achievement vain. Those only who make this quest the supreme desire and passion of their lives can even begin to hope to reach it.
The Image of Christ that is forming within us--that is life's one charge. Let every project stand aside for that. "Till Christ be formed," no man's work is finished, no religion crowned, no life has fulfilled its end. Is the infinite task begun? When, how, are we to be different? Time cannot change men. Death cannot change men. Christ can. Wherefore PUT ON CHRIST.
The chief design of my life in the station wherein the good providence of God hath placed me, are, that mortification and universal holiness may be promoted in my own and in the hearts and ways of others, to the glory of God; that so the Gospel of our Lord and Saviour Jesus Christ may be adorned in all things.
Author: John Owen Source: The Works of John Owen, v. 6, p. 4.
The foundation of true holiness and true Christian worship is the doctrine of the gospel, what we are to believe. So when Christian doctrine is neglected, forsaken, or corrupted, true holiness and worship will also be neglected, forsaken, and corrupted.