9.  But what need is there to continue, when in the same fig tree we have the most opposite flavours, as bitter in the sap as it is sweet in the fruit?  And in the vine, is it not as sweet in the grapes as it is astringent in the branches?  And what a variety of colour!  Look how in a meadow this same water becomes red in one flower, purple in another, blue in this one, white in that.  And this diversity of colours, is it to be compared to that of scents?  But I perceive that an insatiable curiosity is drawing out my discourse beyond its limits.  If I do not stop and recall it to the law of creation, day will fail me whilst making you see great wisdom in small things.