This change of heart is rendered absolutely necessary to salvation by the corrupt condition in which we are ah, without exception, born. " That which is bom of the flesh is flesh." Our nature is thoroughly fallen. The carnal inind is enmity against God. (Rom. viii. V.) We come into the world without faith, or love, or fear toward God We have no natural inclination to serve Him or obey Him, and no natural pleasure in doing His will. Left to himself, no child of Adam would ever turn to God. The truest description of the change which we all need in order to make us real Christians, is the expression, "new birth."
This mighty change, it must never be forgotten, we can- not give to ourselves. The very name which our Lord gives to it is a convincing proof of this. He calls it " a birth." No man is the author of his own existence, and no man can quicken his own soul. We might as well expect a dead man to give himself life, as exj^ect a natural man to make himself spiritual. A power from above must be put in exercise, even that same power which created the world. (2 Cor. iv. 6.) Man can do many things ; but he cannot give life either to himself or to others. To give life is the peculiar prerogative of God. Well may our Lord declare that we need to be *' born again I"
This mighty change, we must, above all, remember, is a thing without which we cannot go to heaven, and could not enjoy heaven if we went there. Our Lord's words on this point are distinct and express. " Except a man be born again, he can neither see nor enter the kingdom of God." Heaven may be reached without money, or rank, Of learning. But it is clear as dayhght, if words have any meaning, that nobody can enter heaven without a "new birth."
We should notice, lastly, in these verses, the insti*i/ctive comparison which our Lord uses in explaining the neu Mrth. He saw Nicodemus perplexed and astonished by the things
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