
The Acts of the Apostles, often referred to simply as Acts, or formally the Book of Acts, is the fifth book of the New Testament; it tells of the founding of the Christian church and the spread of its message to the Roman Empire.

The ascension of Jesus is Christian teaching that Christ physically departed from Earth by rising into Heaven, in the presence of eleven of his apostles. According to the New Testament narrative, the ascension occurred 40 days after the resurrection. In the Christian tradition, reflected in the major Christian creeds and confessional statements, God exalted Jesus after his death, raising him from the dead and taking him to Heaven, where Jesus took his seat at the right hand of God.

The book burning at Ephesus is an incident recorded in the Book of Acts in which Christian converts at Ephesus, influenced by Saint Paul, burned their books of magic. Acts 19 records how "a number of those who had practiced magic arts brought their books together and burned them in the sight of all. And they counted the value of them and found it came to fifty thousand pieces of silver".

The Council of Jerusalem or Apostolic Council was held in Jerusalem around AD 50. It is unique among the ancient pre-ecumenical councils in that it is considered by Catholics and Orthodox to be a prototype and forerunner of the later ecumenical councils and a key part of Christian ethics. The council decided that Gentile converts to Christianity were not obligated to keep most of the fasts, and other specific rituals, including the rules concerning circumcision of males. The Council did, however, retain the prohibitions on eating blood, meat containing blood, and meat of animals that were strangled, and on fornication and idolatry, sometimes referred to as the Apostolic Decree or Jerusalem Quadrilateral.

The Feast of the Ascension of Jesus Christ, also called Ascension Day, Ascension Thursday, or sometimes Holy Thursday, commemorates the Christian belief of the bodily Ascension of Jesus into heaven. It is one of the ecumenical feasts of Christian churches, ranking with the feasts of the Passion, of Easter, and Pentecost. Ascension Day is traditionally celebrated on a Thursday, the fortieth day of Easter, although some Christian denominations have moved the observance to the following Sunday. In the Catholic Church in the United States, the day of observance varies by ecclesiastical province.

"From each according to his ability, to each according to his needs" is a slogan popularised by Karl Marx in his 1875 Critique of the Gotha Program. The principle refers to free access to and distribution of goods, capital and services. In the Marxist view, such an arrangement will be made possible by the abundance of goods and services that a developed communist system will be capable to produce; the idea is that, with the full development of socialism and unfettered productive forces, there will be enough to satisfy everyone's needs.

The liberation of the apostle Peter is an event described in the Acts of the Apostles, chapter 12 in which the apostle Peter is rescued from prison by an angel. Although described in a short textual passage, the tale has given rise to theological discussions and has been the subject of a number of artworks.

The Christian holiday of Pentecost, which is celebrated the 50th day from Easter Sunday, commemorates the descent of the Holy Spirit upon the Apostles and other followers of Jesus Christ while they were in Jerusalem celebrating the Feast of Weeks, as described in the Acts of the Apostles.

According to the Acts of the Apostles, chapter 10, Saint Peter had a vision of a vessel full of animals being lowered from heaven. A voice from heaven told Peter to kill and eat, but since the vessel contained unclean animals, Peter declined. The command was repeated two more times, along with the voice saying, "What God hath made clean, that call not thou common" and then the vessel was taken back to heaven.

Speaking in tongues, also known as glossolalia, is a practice in which people utter words or speech-like sounds that some believe to be languages unknown to the speaker. One definition used by linguists is the fluid vocalizing of speech-like syllables that lack any readily comprehended meaning, in some cases as part of religious practice in which some believe it to be a divine language unknown to the speaker. Glossolalia is practiced in Pentecostal and charismatic Christianity. as well as in other religions.

The Visual Bible: Acts is a 1994 American Christian film directed by Regardt van den Bergh and starring Henry O. Arnold, James Brolin, Dean Jones, and Bruce Marchiano. It depicts the events of the Acts of the Apostles from the New Testament. All of the dialogue is word-for-word scripture, taken directly from the New International Version of the Bible.