Thomas Jefferson Quoting Emmerich von Vattel on the Observance of Treaties

all the tranquillity, the happiness & security of mankind rest on justice, on the obligation to respect the rights of others.

RC (DLC: Washington Papers). PrC (DLC). Tr (Lb in DNA: RG 59, SDC). Tr (ViU); in hand of Martha Jefferson Randolph, dated Oct. 1834. Tr (ViU); undated and incomplete; in an unknown hand. Published in PTJ, 25:597–619.