A treatise of original sin ... proving that it is

1. That which is Natural, that which he cometh into the world with, thus every man hath an inexhausted treasure of wickedness, which he spends upon all his life time, and yet never cometh to the bottom of it; And in this sense our ⟨p. 102⟩Divines do well prove, That no natural or unregenerate man is able to do any thing, though never so little that is good, because he is a bad Tree, and being also of the seed of Serpents, there cannot come any honey, or sweet thing from him.

2. There is an acquired and increased treasure of sin, which a man storeth up by daily custom in sin, so that he becometh to have two treasures of evil in his soul, as if one were not enough, natural, and voluntary, innate, and voluntarily contracted: For you must know, That original sin, though it be a full fountain of poison, ready of it self to overflow, yet custom in sin doth strengthen, and enable it to be more vigorous and operative; we may put more wood to this fire, and so make it more dreadful: Even as these Pharisees, though they were by nature, the Serpents seed, yet because of their voluntary and contracted malicious disposition in them, superadded to the former, our Saviour calleth them, Generation of vipers. Now although the Pharisees had this two-fold evil heart, naturally, and voluntarily, yet I shall of the former only, and so handle it not, as relating to the Pharisees, but as it is a general Truth, to be affirmed of every one, till renewed by grace, that he hath an evil treasure, an evil heart within him; And from thence observe,

2. There is an acquired and increased treasure of sinne, which a man storeth up by daily custom in sinne, so that he becometh to have two treasures of evil in his soul, as if one were not enough, natural, and voluntary, innate, and voluntarily contracted: For you must know, That original sinne, though it be a full fountain of poison, ready of it self to overflow, yet custom in sin doth strengthen, and inable it to be more vigorous and operative; we may put more wood to this fire, and so make it more dreadfull: Even as these Pharisees, though they were by nature, the Serpents seed, yet because of their voluntary and contracted malicious disposition in them, superadded to the former, our Saviour calleth them, Generation of vipers. Now although the Pharisees had this two-fold evil heart, naturally, and voluntarily, yet I shall of the former onely, and so handle it not, as relating to the Pharisees, but as it is a general Truth, to be affirmed of every one, till renewed by grace, that he hath an evil treasure, an evil heart within him; And from thence observe,