BOOK VI
vines, olives; and those which are admired by persons of a somewhat higher capacity may be classed as things which are held together by a conscious life, such as flocks and herds; and those which are admired by persons still more refined, as things held together by a rational soul; I do not mean rational as part of the Universal Reason, but in the sense of master of an art or expert in some other way, or merely in so far as to own a host of slaves. But he that prizes a soul which is rational, universal, and civic, no longer turns after anything else, but rather than everything besides keeps his own soul, in itself and in its activity, rational and social, and to this end works conjointly with all that is akin to him.
15. Some things are hastening to be, others to be no more, while of those that haste into being some part is already extinct. Fluxes and changes perpetually renew the world, just as the unbroken march of time makes ever new the infinity of ages. In this river of change,[1] which of the things which swirl past him, whereon no firm foothold is possible, should a man prize so highly? As well fall in love with a sparrow[2] that flits past and in a moment is gone from our eyes. In fact a man's life itself is but as an exhalation from blood[3] and an inhalation from the air. For just as it is to draw in the air once into our lungs and give it back again, as we do every moment, so is it to give back thither, whence thou didst draw it first, thy faculty of breathing which thou didst receive at thy birth yesterday or the day before.
