Nemo Agit In Seipsum
Defined in 2 dictionaries — Cyclopedic (1922), Ballentine's (1916)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
No man acts against himself (Jenk. Cent. Cas. 40); 201, note; 4 Bing. 151; 2 Exch. 695; 18 C. B. 253; 2 Barn. & Aid. 822).
Ballentine's Law Dictionary
James A. Ballentine · 1916
No one acts against himself.