Book III: Analytical and Practical

Verum animo satis haec vestigia parva sagaci sunt per quae possis cognoscere cetera tute. Namque canes ut montivagae persaepe ferai naribus inveniunt intectas fronde quietes, cum semel institerunt vestigia certa viai, sic alid ex alio per te tute ipse videre talibus in rebus poteris caecasque latebras insinuare omnis et verum protrahere inde.

But this faint spoor suffices for an alert mind; so that thou thyself may'st come at all the rest. For just as hounds, when once they have found the true track, full often search out with their nostrils the lair of the mountain-roaming quarry, hidden though it be with foliage, even so may'st thou, in such things as these, see for thyself one thing after another, work thyself into the secret lurking-places, and thence drag out the truth.