Ever since God exhibited himself to us as a Father, we must be convicted of extreme ingratitude if we do not in turn exhibit ourselves as his sons. Ever since Christ purified us by the laver of his blood, and communicated this purification by baptism, it would ill become us to be defiled with new pollution. Ever since he ingrafted us into his body, we, who are his members, should anxiously beware of contracting any stain or taint. Ever since he who is our head ascended to heaven, it is befitting in us to withdraw our affections from the earth, and with our whole soul aspire to heaven. Ever since the Holy Spirit dedicated us as temples to the Lord, we should make it our endeavour to show forth the glory of God, and guard against being profaned by the defilement of sin. Ever since our soul and body were destined to heavenly incorruptibility and an unfading crown, we should earnestly strive to keep them pure and uncorrupted against the day of the Lord. These, I say, are the surest foundations of a well-regulated life, and you will search in vain for any thing resembling them among philosophers, who, in their commendation of virtue, never rise higher than the natural dignity of man.
[…] Let every one of us [crawl towards holiness] as far as his humble ability enables him, and prosecute the journey once begun. No one will travel so badly as not daily to make some degree of progress. This, therefore, let us never cease to do, that we may daily advance in the way of the Lord; and let us not despair because of the slender measure of success. How little soever the success may correspond with our wish, our labour is not lost when to-day is better than yesterday, provided with true singleness of mind we keep our aim, and aspire to the goal, not speaking flattering things to ourselves, nor indulging our vices, but making it our constant endeavour to become better, until we attain to goodness itself. If during the whole course of our life we seek and follow, we shall at length attain it, when relieved from the infirmity of flesh we are admitted to full fellowship with God.
Once upon a time, G.K. Chesterton received an anonymous letter asking how he could believe Christianity was exclusively true when the world was full of other religions that also claimed to be true. The letter was simply signed “Free Thinker.” The following is a copy of Chesterton’s response.
Dear Former Thinker,
The vulgar modern argument used against religion, and lately against common decency, would be absolutely fatal to any idea of liberty. It is perpetually said that because there are a hundred religions claiming to be true, it is therefore impossible that one of them should really be true. The argument would appear on the face of it to be illogical, if anyone nowadays troubled about logic. It would be as reasonable to say that because some people thought the earth was flat, and others (rather less incorrectly) imagined it was round, and because anybody is free to say that it is triangular or hexagonal, or a rhomboid, therefore it has no shape at all; or its shape can never be discovered; and, anyhow, modern science must be wrong in saying it is an oblate spheroid. The world must be some shape, and it must be that shape and no other; and it is not self-evident that nobody can possibly hit on the right one. What so obviously applies to the material shape of the world equally applies to the moral shape of the universe. The man who describes it may not be right, but it is no argument against his rightness that a number of other people must be wrong.