pacta sunt servanda
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.
• “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 • “when the reason of the law ceases, the law itself ceases.” (Commendador v. De Villa, En Banc, G.R. No. 93177, August 2, 1991) • “when the reason for a law ceases, the law itself ceases” OxfordReference.com • related to ratio legis est anima: the reason of law is its soul.

Latin maxim. • “not twice for the same” (Tacas v. Cariaso, G.R. No. L-37406, August 31, 1976)

Latin maxim. • “the abuse of a right is the greatest possible wrong” (Gonzales v. Philippine Commercial Bank and International Bank, G.R. No. 180257, February 23, 20110

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. • “The law will not aid either party to an illegal agreement; it leaves the parties where it finds them.” (Bough v. Cantiveros, En Banc, G.R. No. 13300, September 29, 1919) • “the parties to a controversy are equally culpable or guilty, they shall have no action against each other, and it shall…

Latin maxim. • “A waiver of rights is not presumed.” (ACD Investigation Security Agency, Inc. v. Daquera, G.R. No. 147473, March 30, 2004, cited in Rizal Commercial Banking Corporation v. Bithao, G.R. No. 162240, August 29, 2006)