Baltimore Catechism No. 2 – Lesson Ninth on the Holy Ghost and His Descent Upon the Apostles

Q94: Who is the Holy Ghost?

A94: The Holy Ghost is the third Person of the Blessed Trinity.

Q95: From whom does the Holy Ghost proceed?

A95: The Holy Ghost proceeds from the Father and the Son.

Q96: Is the Holy Ghost equal to the Father and the Son?

A96: The Holy Ghost is equal to the Father and the Son, being the same Lord and God as They are.

Q97: On what day did the Holy Ghost come down upon the Apostles?

A97: The Holy Ghost came down upon the Apostles ten days after the Ascension of our Lord; and the day on which He came down upon the Apostles is called Whitsunday, or Pentecost.

Q98: How did the Holy Ghost come down upon the Apostles?

A98: The Holy Ghost came down upon the Apostles in the form of tongues of fire.

Q99: Who sent the Holy Ghost upon the Apostles?

A99: Our Lord Jesus Christ sent the Holy Ghost upon the Apostles.

Q100: Why did Christ send the Holy Ghost?

A100: Christ sent the Holy Ghost to sanctify His Church, to enlighten and strengthen the Apostles, and to enable them to preach the Gospel.

Q101: Will the Holy Ghost abide with the Church forever?

A101: The Holy Ghost will abide with the Church forever, and guide it in the way of holiness and truth.