John Flavel (Works, vol. 5, p. 592):
It is in this case [of self-examination] as in the study of Geography; we are more inquisitive to know, and delighted when we discover the rarities of foreign countries, and strange things in the remote parts of the world, than those of our own native country. I fear there be many professors of religion that can spend day after day in hearing, and love to be disputing fruitless controversies, that never spend one day in searching what influence all those sermons they have heard have had upon their hearts, or in rightly stating and determining that great controvery, in whose right and possession their souls are, and which way they shall go as soon as death hath divided them from those mortal bodies; yea, I doubt, many sinful hours are spent in prying into, reporting, and censuring the failings of others, and not one hour faithfully employed in judging their own hearts before the Lord: Oh! men had rather be about any work than this; there is no pleasure in it to the flesh.