Celibacy of Priests
The separation of Christians into two camps: one of a priesthood and the other of laity did not start until the second century. It is not found in the Bible. Even the Catholic church admits this. "The priesthood evolved" [Catholic Encyclopedia, Vol. XII, p. 406, 415]. "The Apostolic Fathers abstain from any mention of a Christian priesthood" [Catholic Dictionary, Addis and Arnold, p. 693]. In the Bible, all Christians are priests because we have direct access to the Father.
"Coming to Him as to a living stone, rejected indeed by men, but chosen by God and precious, you also, as living stones, are being built up a spiritual house, a holy priesthood, to offer up spiritual sacrifices acceptable to God through Jesus Christ" (I Peter 2:4-5).
"But you are a chosen generation, a royal priesthood, a holy nation, His own special people, that you may proclaim the praises of Him who called you out of darkness into His marvelous light; who once were not a people but are now the people of God, who had not obtained mercy but now have obtained mercy" (I Peter 2:9-10).
If you understand this, then clearly there is a problem with teaching that priests are to be celibate when all Christians are priests in God's sight. Celibacy was an innovation added late by the Roman Catholic church. "In 1079 AD celibacy was first enforced for priests and bishops by Pope Gregory VII. Before this time, they were permitted to marry" [bible.ca]. "After the Lateran Council (A.D. 1123), "... henceforth all conjugal relations on the part of the clergy ... were reduced in the eyes of Canon Law to mere concubinage"" [Catholic Encyclopedia, Vol. III, p. 486]. "The Council of Trent (about A.D. 1550) affirmed as a matter of faith that it [celibacy] is holier than marriage" [Externals of the Catholic Church, Sullivan, p. 305].
In the Bible, you will find that the majority of the disciples were married. Paul was a noted exception to the general rule. "Do we have no right to take along a believing wife, as do also the other apostles, the brothers of the Lord, and Cephas?" (I Corinthians 9:5). Even though Paul did not choose to marry, he argued that he did have the right to marry just like all the other leaders in the church who were already married. In fact, Paul listed forbidding of marriage as a symptom of people falling away into apostasy. "Now the Spirit expressly says that in latter times some will depart from the faith, giving heed to deceiving spirits and doctrines of demons, speaking lies in hypocrisy, having their own conscience seared with a hot iron, forbidding to marry, and commanding to abstain from foods which God created to be received with thanksgiving by those who believe and know the truth" (I Timothy 4:1-3).