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.

There are not many beginnings but there is a single Beginning, prior to multitude. But if you were to say that the beginnings are plural apart from their partaking of the One, that statement would self-destruct. For, surely, these plural beginnings would be both alike, by virtue of their not partaking of the One, and not alike, by virtue of their not partaking of the One.

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.

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

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.

Life and perfection, joy and repose and whatever all the senses desire, lie in the distinguishing spirit, and from it they have everything that they have. Even if the organs lose in power and the life in them decreases in activity, it does not decrease in the distinguishing spirit, from which they receive the same life, when the fault or infirmity is removed.

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.