His distinctive view of man's interior nature involved a sharp contrast between flesh and spirit. (religion-online.org)
There the two distinct «others» in humankind, the male and the female, which can become one in flesh and spirit. (firstthings.com)
In sexual communion, the spiritual happiness in each other and in God, as well as the total joy of flesh and spirit of the spouses, is meant to be taken up in a common joy unto God. (faith.org.uk)