Through itself the soul arrives at all harmony that is perceptible in otherness-just as through what is internal the soul arrives at what is external.

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.

Just as all motion is from an unmovable cause, so everything divisible is from an indivisible cause. However, this visible, corporeal world is, assuredly, of a divisible nature, since what is corporeal is divisible. Therefore, this world is from an earlier, indivisible Cause.

A given circle cannot be so true that a truer one cannot be found; and the movement of a sphere at one moment is never precisely equal to its movement at another, nor does it ever describe two circles similar and equal, even if from appearances the opposite may seem true.

Number, in consequence, includes all things that are capable of comparison. It is not then in quantity only that number produces proportion; it produces it in all things that are capable of agreement and differences in any way at all, whether substantially or accidentally.

Otherness cannot be a form. For to alter is to deform rather than to form. Therefore, that which is seen in different things can also be seen in and of itself without otherness, since otherness did not give being to it.

In humility alone lies true greatness, and knowledge and wisdom are profitable only in so far as our lives are governed by them.