Conscientiously in example sentence
The neighbourhood of the upper Thames is rich in Roman relics, and my surmise seemed to me a very probable one; but our serious young man, who is a bit of a geologist, pooh-poohed my Roman relic theory, and said it was clear to the meanest intellect (in which category he seemed to be grieved that he could not conscientiously include mine) that the thing the boy had found was the fossil of a whale; and he pointed out to us various evidences proving that it must have belonged to the preglacial period.