“And while I was thus disposed, when I wished at one period to be filled with great quietness, and to shun the path of men, I used to go into a certain field not far from the sea. And when I was near that spot one day, which having reached I purposed to be by myself, a certain old man, by no means contemptible in appearance, exhibiting meek and venerable manners, followed me at a little distance. And when I turned round to him, having halted, I fixed my eyes rather keenly on him.
“And he says to me, I am concerned about some of my household. These are gone away from me; and therefore have I come to make personal search for them, if, perhaps, they shall make their appearance somewhere. But why are you here? said he to me.
“ I delight, said I, in such walks, where my attention is not distracted, for converse with myself is uninterrupted; and such places are most fit for philology. 1960
“ What greater work, said I, could one accomplish than this, to show the reason which governs all, and having laid hold of it, and being mounted upon it, to look down on the errors of others, and their pursuits? But without philosophy and right reason, prudence would not be present to any man. Wherefore it is necessary for every man to philosophize, and to esteem this the greatest and most honourable work; but other things only of second-rate or third-rate importance, though, indeed, if they be made to depend on philosophy, they are of moderate value, and worthy of acceptance; but deprived of it, and not accompanying it, they are vulgar and coarse to those who pursue them.
“ That which always maintains the same nature, and in the same manner, and is the cause of all other things —that, indeed, is God. So I answered him; and he listened to me with pleasure, and thus again interrogated me:—
“ Is not knowledge a term common to different matters? For in arts of all kinds, he who knows any one of them is called a skilful man in the art of generalship, or of ruling, or of healing equally. But in divine and human affairs it is not so. Is there a knowledge which affords understanding of human and divine things, and then a thorough acquaintance with the divinity and the righteousness of them?
“ You have not answered me correctly, then, he said; for some [branches of knowledge] come to us by learning, or by some employment, while of others we have knowledge by sight. Now, if one were to tell you that there exists in India an animal with a nature unlike all others, but of such and such a kind, multiform and various, you would not know it before you saw it; but neither would you be competent to give any account of it, unless you should hear from one who had seen it.