Holy Spirit in Christianity the Book of Acts. The Holy Spirit does not simply appear for the first time at Pentecost after the resurrection of Jesus, but is present in the Gospel of Luke (in 1–2) prior to the birth of Jesus. In , John the Baptist was said to be "filled with the Holy Spirit" prior to birth, and the Holy Spirit came upon the Virgin Mary in . In John the Baptist stated that Jesus baptized not with water but with the Holy Spirit; and the Holy Spirit descended on Jesus during his baptism in the Jordan River. In Jesus provided assurances
John the Baptist John the Baptist John the Baptist ( "Yokhanan HaMatbil", , "Iōánnēs ho baptistḗs" or Ἰωάννης ὁ βαπτίζων, "Iōánnēs ho baptízōn", , ; Late 1st century BC – 28–36 AD) was a Jewish itinerant preacher in the early first century AD. John is revered as a major religious figure in Christianity, Islam, the Bahá'í Faith, and Mandaeism. He is called a prophet by all of these faiths, and is honored as a saint in many Christian traditions. Other titles for John include John the Forerunner in Eastern Christianity and "the prophet John" ("Yaḥyā") in Islam. To clarify the meaning of "Baptist",