By St. Gregory of Nyssa
(On the Making of Man, Chs. 8-10)
But man's form is upright, and extends aloft towards heaven, and looks upwards, and these are marks of sovereignty which show his royal dignity. For the fact that man alone among existing things is such as this, while all others bow their bodies downwards, clearly points to the difference of dignity between those which stoop beneath his sway and that power which rises above them, for all the rest have the foremost limbs of their bodies in the form of feet, because that which stoops needs something to support it, but in the formation of man these limbs were made hands, for the upright body found one base, supporting its position securely on two feet, sufficient for its needs.
Especially do these ministering hands adapt themselves to the requirements of the reason: indeed if one were to say that the ministration of hands is a special property of the rational nature, he would not be entirely wrong; and that not only because his thought turns to the common and obvious fact that we signify our reasoning by means of the natural employment of our hands in written characters. It is true that this fact, that we speak by writing, and, in a certain way, converse by the aid of our hands, preserving sounds by the forms of the alphabet, is not unconnected with the endowment of reason; but I am referring to something else when I say that the hands co-operate with the bidding of reason....