Some particular ones are regarded as superior to the rest when some important purpose is served through their agency. Superiority, for the time being, is said to belong to that one whose efficacy is thus seen.
तेषु तेषु हि कालेषु तत्तदङ्गं विशिष्यते। येन यत् सिध्यते कार्यं तत् प्राधान्याय कल्पते॥