nullum crimen, nulla poena sige lege

• “the law looks forward not backward” (Co v. CA, En Banc, G.R. No. 100776, October 28, 1993, citing Development Bank of the Philippines v. Court of Appeals, et al, G.R. No 97998, Jan. 27, 1992)

Latin maxim. • “parties to a treaty to keep their agreement therein in good faith” (Secretary of Justice v. Lantion, En Banc, G.R. No. 139465, January 18, 2000)

Latin maxim. • “[a]ll states are sovereign equals and cannot assert jurisdiction over one another.” (Arigo v. Swift, En Banc, G.R. No. 206510, September 16, 2014 [Per J.  Leonen, En Banc, Concurring Opinion], citing Republic of Indonesia v. Vinzon, 452 Phil. 1100, 1107 (2003) [Per J. Azcuna, En Banc])

Latin maxim. • “an agreement contrary to law or morals can give rise to no right of action in any party to it, either for the enforcement of it, or for the recovery of property parted with in pursuance of it.” (People v. Manansala, En Banc, November 18, 1933 [Per J. Abad Santos, En Banc,…

Latin maxim. • “things done between strangers ought not to injure those who are not parties to them” (People v. Tena, G.R. No. 100909, October 21, 1992) • “A third party may not be prejudiced by the act, declaration or omission of another.” (People v. Ciobal, G.R. No. 86220, April 20, 1990) • related to…

Latin maxim. • “no one ought to be twice tried for the same cause” (Tacas v. Cariaso, G.R. No. L-37406, August 31, 1976) • “A man shall not be brought into danger of his life or liberty for one and the same offense more than once.” (Ibid.)