On the Commonwealth 1
Marcus Tullius Cicero (c. 106-43 B.C.)
Cicero was the great defender of the Roman republic and a master of oratory. The author of several books on politics, philosophy, and rhetoric, he was the first to speak of natural law as a moral or political law, and was an important influence on the Founders.
C. 54-51 B.C.
…[33] True law is right reason, consonant with nature, spread through all people. It is constant and eternal; it summons to duty by its orders, it deters from crime by its prohibitions. Its orders and prohibitions to good people are never given in vain; but it does not move the wicked by these orders or prohibitions. It is wrong to pass laws obviating this law; it is not permitted to abrogate any of it; it cannot be totally repealed. We cannot be released from this law by the senate or the people, and it needs no exegete or interpreter like Sextus Aelius. There will not be one law at Rome and another at Athens, Read more