Six hundred years ago, Jan Hus wrote that “neither is the pope the head nor are the cardinals the whole body of the holy, universal, catholic church. For Christ alone is the head of that church, and his predestinate are the body and each one is a member, because his bride is one person with Jesus Christ” [The Church, ed. David S. Schaff (Charles Scribner’s Sons, 1915), 66.]. One hundred years later, Luther echoed those words. That Reformation tradition was carried forward by the Puritans. Leland Ryken writes:

   The greatest of all Puritan legacies in regard to ecclesiastical theory was also the most revolutionary in its time. It was the notion that the church is a spiritual reality. It is not impressive buildings or fancy clerical vestments. It is instead the company of the redeemed.
   The Puritans repeatedly showed their acceptance of Luther’s dictum that “The church is a spiritual assembly of souls. . . . The true, real, right, essential church is a matter of the spirit and not of anything external.” For William Gouge the church consists of those who “inwardly and effectively by the spirit . . . believe in Christ.’’ John Hooper denied that the church consists of “bishops, priests and such other,” affirming rather that it is “the company of all men hearing God’s Word and obeying unto the same.” Richard Baxter agreed: the church is “a holy Christian society for ordinary holy communion and mutual help in God’s public worship and holy living.”
   Implicit in these definitions of the church is a Puritan preference for the invisible church over a type of institutional structure. The church is emphatically not the professional clergy and their rituals. “What understand you by the church?” asked John Ball’s Catechism. The answer: “by the church, we understand not the pope. . . ; nor his bishops and cardinals met in general council. . . ; but the whole company of believers.” If the church is essentially invisible rather than institutional, its head is obviously not a pope or church council, but Christ. The Puritans reiterated this again and again, as when Gouge spoke of “that church whereof Christ is properly head.”

—Leland Ryken, Worldly Saints: The Puritans as They Really Were (Academie Books, 1986), 115.

We all know, don’t we, that the puritans hated sex and considered it to be exceedingly sinful. After all, that is what “puritanical” means, isn’t it? Well . . . maybe not. According to Leland Ryken, that attitude belongs to the Roman Catholics, particularly during the middle ages. Rome taught that sex, although less sinful for some than the alternatives, was always sinful, not in the act itself, but in the driving passions and resulting pleasure. This view was held by no less than our beloved Augustine, who commended married couples who abstained from sex!

The Puritans rejected that attitude wholeheartedly, and made no secret of their opposing view. Ryken writes that “When a New England wife complained, first to her pastor, and then to the whole congregation, that her husband was neglecting their sex life, the church proceeded to excommunicate the man.” [Worldly Saints, 39.]

Catholic doctrine had declared virginity superior to marriage; the Puritan reply was that marriage “is a state . . . Far more excellent than the condition of single life.” Many Catholic commentators claimed that sexual intercourse had been the resultof the Fall and did not occur in Paradise; the Puritan comeback was that marriage was ordained by God, “and that not in this sinful world, but in paradise, that most joyful garden of pleasure.”
   . . .
   Given the Catholic background against which they wrote and preached, the Puritans’ praise of marriage was at the same time an implicit endorsement of marital sex as good. They elaborated that point specifically and often. This becomes clearer once we are clued into the now-outdated terms by which they customarily referred to sexual intercourse: “matrimonial duty,” “cohabitation,” “act of matrimony,” and (especially) “due benevolence.”
   Everywhere we turn in Puritan writing on the subject we find sex affirmed as good in principle. [William] Gouge referred to physical union as “one of the most proper and essential acts of marriage.” It was Milton’s opinion that the text “they shall be one flesh” (Gen. 2:24) was included in the Bible

to justify and make legitimate the rites of the marriage bed; which was not unneedful, if for all this warrant they were suspected of pollution by some sects of philosophy and religions of old, and latelier among the Papists.

William Ames listed as one of the duties of marriage “mutual communication of bodies.”
   So closely linked were the ideas of marriage and sex that the Puritans usually defined marriage partly in terms of sexual union. [William] Perkins defined marriage as “the lawful conjunction of the two married persons; that is, of one man and one woman into one flesh.” Another well-known definition was this: Marriage

is a coupling together of two persons into one flesh, according to the ordinance of God. . . . By yoking, joining, or coupling is meant, not only outward dwelling together of the married folks . . . but also an uniform agreement of mind and a common participation of body and goods.

   Married sex was not only legitimate in the Puritan view; it was meant to be exuberant. Gouge said that married couples should engage in sex “with good will and delight, willingly, readily, and cheerfully.” An anonymous Puritan claimed that when two are made one by marriage they

may joyfully give due benevolence one to the other; as two musical instruments rightly fitted do make a most pleasant and sweet harmony in a well tuned consort.

Alexander Niccholes theorized that in marriage “thou not only unitest unto thyself a friend and comfort for society, but also a companion for pleasure.”
   In this acceptance of physical sex, the Puritans once again rejected the asceticism and implicit dualism between sacred and secular that had governed Christian thinking for so long. In the Puritan view, God had given the physical world, including sex, for human welfare.

—Leland Ryken, Worldly Saints: The Puritans as They Really Were (Academie Books, 1986), 42, 43–44.