"Every one must be supposed to be cognizant of a public law."

“Cock-fighting must be considered a barbarous diversion.”

“As a general rule, I beg that it may be understood, that a case is not to be cut into parts, but that when it is known what the question in issue is, it must be met at once.”

“It is a principle of law, that a person intends to do that which is the natural effect of what he does.”

“The law merchant respects the religion of different people.”

“It has been sometimes said, communis error facit jus; but I say communis opinio is evidence of what the law is; not where it is an opinion merely floating and theoretical floating in the minds of persons but where it has been made the ground-work and substratum of practice.”

“No man should be allowed to have an interest against his duty.”