J. Douglas MacMillan has been held at that institution in his honour. According to Hywel Jones, MacMillan's preaching was marked by "powerful originality and strong orthodoxy". He is best known for his book "The Lord Our Shepherd" (). This is an exposition of Psalm 23, originally given to the Evangelical Movement of Wales in 1979. MacMillan drew on his 12 years of experience as a shepherd to argue that the shepherd theme pervades the entire psalm. MacMillan wrote a number of other books including "Wrestling with God" () consisting of addresses on the life of Jacob given to the Evangelical Movement of Wales
Psalm 151 Psalm 151 Psalm 151 is a short psalm found in most copies of the Septuagint but not in the Masoretic Text of the Hebrew Bible. The title given to this psalm in the Septuagint indicates that it is supernumerary, and no number is affixed to it: ""This Psalm is ascribed to David and is outside the number. When he slew Goliath in single combat"". It is also included in some manuscripts of the Peshitta. The psalm concerns the story of David and Goliath. The Eastern Orthodox Church as well as the Coptic Orthodox Church, Armenian Apostolic Church and the Armenian