Let us be persuaded to bring home these considerations to ourselves.  We are deeply interested in them.  “The secrets of our hearts will ere long be judged by the gospel of Christ.”  To those who will not receive and obey the gospel, we have only to say, “Notwithstanding, be ye sure of this, that the Kingdom of God is come nigh unto you.”

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SERMON III.

The Declensions of Christianity, an Argument of its Truth..

Luke xviii. 8.

When the Son of man cometh, shall he find faith on the earth?

“He that believeth and is baptized shall be saved; but be that believeth not shall be damned.”  So certified the risen Savior.  Faith is made a condition of salvation.  But God requires only a reasonable service.  He must then have given evidence of the truth to which He requires assent.  He hath given it abundantly; Christians “are compassed about with a cloud of witnesses.”

The proofs of Christianity are of two kinds; external and internal. 
Both are strong.  United they leave infidelity without excuse.

Of external, the chief are miracles and prophecy.  Miracles carried conviction to beholders; and were designed to give credibility to special messengers.  Prophecy is a standing evidence, by which testimony is borne to the truth of revelation; yea, it is a growing evidence, which gains strength by every fulfillment.

Some may envy those who lived in this age of miracles supposing them sufficient to banish every doubt.  But the proof arising from the fulfillment of prophecy, which we enjoy above them, is equal if not superior to theirs.

The prophecies contain sketches of the history of man, and of the plan of providence, from their respective dates to the end of the world.  Those which relate to the declensions of religion, which were to take place under the gospel dispensation, will now only be considered.

From those declensions, arguments are drawn against the truth of Christianity.  Was Christianity from God, he would verify the declaration made by him who claimed to be his Son. The gates of Hell shall not prevail against it.  But they do prevail.  What was once said of its author, Behold the world is gone after him, will now apply to its enemy.  This religion is not therefore from God, but of man’s device.  Propt up as it is, by human laws, and supported by “the powers that be,” it totters towards ruin.  Left to itself, it would soon fall and come to nought.

Such are the proud vauntings of infidelity, when “iniquity abounds and the love of many waxeth cold.”  So when Christ hung on the cross, and when he slept in the tomb, ignorant of consequences, his disciples “wept and lamented, and the world rejoiced;” but the time was short.  Soon the world was confounded and the “sorrow of his disciples was turned into joy.”  If the declensions which we witness, are foretold in scripture, they are no occasion of surprize.