Authors from the Middle Ages

Anselm of Canterbury

God is not in Place or Time but All Things are in Him (1078)
Proslogion, cc. 18-22

Alain of Lille

A Human Journey Towards the Knowledge of God (1181-1184)
Anticlaudianus, Book VI, nn. 1-203.

Robert Grosseteste

On Light or the Beginning of Forms (1225-1228)
De Luce (on Light)

Bonaventure of Bagnoregio

The Six Forms of Light Unified in the Unique Divine Creation (1255-1257)
On the Reduction of the Arts to Theology, nn. 1-7
The Creation of a Becoming World (1257)
Breviloquium, Book II, chapts. I-II
Selected texts on the Metaphor of the Nature's Book (1257-1259)
A Selection of Quotes from the Works of Bonaventure of Bagnoregio
On the Sight of God in His Vestiges in the Sensible World (1259)
The Journey of the Mind into God, c. II, nn. 1-13
On the Steps of Ascension into God and on the Sight of Him Through His Vestiges in the Universe (1259)
The Journey of the Mind into God, c. I, nn. 1-15

Roger Bacon

Philosophy and Theology Have Much in Common (1267)
Opus Majus, Pars II, c. XVII.
Philosophy is Worthy to Assume the Sacred Wisdom (1267)
Opus Majus, Pars II, c. XIV.

Nicolas Oresme

The Existence of Other Worlds is Possible (1377)
A commentary on Aristotle’s De caelo et mundo