Quod est necessarium est licitum - What is necessary is lawful.⏎
Probatio vincit praesumptionem - Proof overcomes presumption.⏎
Qui facit per alium facit per se - "Who acts through another, acts himself." One who delegates a task to another, takes full responsibility for the performance of that act as if he himself had done it. Basis for the law of agency.⏎
Par in parem non habet imperium - Equals have no sovereignty over each other.⏎