9 Co. Rep. 59.
Every man must so use his own property as not to harm that of another. This is the necessary qualification of the maxim that every man may do as he will with his own. See § 154.
34. Summum jus summa injuria.
Cicero, De Off. I. 10. 33.
The rigour of the law, untempered by equity, is not justice but the denial of it. See §§ 10. 13.
35. Superficies solo cedit.
Gaius 2. 73.
Whatever is attached to the land forms part of it. Cf. Just. Inst. 2. 1. 29: Omne quod inaedificatur solo cedit. See § 155.
36. Ubi eadem ratio, ibi idem jus.
This is the complement of the maxim, Cessante ratione legis, cessat lex ipsa. A rule of the common law should be extended to all cases to which the same ratio applies, and in the case of imperfect statute law extensive interpretation based on the ratio legis is permissible. See Vangerow, I. sect. 25.