Qui non propulsat injuriam quando potest, infert. Jenk. Cent. 271. He who does not repel an Injury when he can, induces it. Qui obstruit aditum, destruit com- modum. lie who obstructs a way, passage, or entrance destroys a benefit or convenience. Co. Litt. 101a. lie who prevents another from entering upon laud destroys the benefit which lie has from it. Id. Qui ornne dicit nihil excludit. 4 lust. 81. lie who says all excludes uothing. Qui parcit nocentibns innocentes pun- it. Jenk. Cent. 133. He who spares the guilty puuishes the innocent. Qui peccat ebrius luat sobrius. He who sins when drunk shall be punished when sober. Cary, 133; Broom, Max. 17. Qui per alium facit per seipsum facere videtur. lie who does a thing by an agent is considered as doing it himself. Co. Litt. 258; Broom, Max. 817. Qui per fraudem agit frnstra agit. 2 Bolle, 17. What a man does fraudulently he does in vain. Qui potest et debet vetare, jubet. He who can and ought to forbid a thiug [if he do not forbid itj directs it 2 Kent, Comm. 483, note. Qui primum peccat ille facit rixarn. Godb. He who sins first makes the strife. Qui prior est tempore potior est jure. He who is before in time is the better in right. Priority in time gives preference in law. Co. Litt. 14ay 4 Coke, 90a. A maxim of very extensive application, both at law and iu equity. Broom, Max. 353-302; 1 Story, Eq. Jur.