The rational is apprehended through the intellect, however, the intellect is not found in the region of the rational; the intellect is as the eye and the rational as the colors.

Nor is the darkness of colour a proof of the earth's baseness; for the brightness of the sun, which is visible to us, would not be perceived by anyone who might be in the sun.

In creating the world, God used arithmetic, geometry, and likewise astronomy.

Time is to eternity as an image is to its exemplar, and those things which are temporal bear a resemblance to those things which are eternal.

All visible things would not claim as their king some color of their region, which is actually among the visible things of this region, but rather would say, he is the highest possible beauty of the most lucid and perfect color.

All things are in the intended endpoint, and this mode of being is called will or desire.

With the senses man measures perceptible things, with the intellect he measures intelligible things, and he attains unto supra-intelligible things transcendently.