reaso

REASON. By reason is usually understood that power by which we distinguish 
truth from falsehood, and right from wrong; and by which we are enabled to 
combine means for the attainment of particular ends. Encyclopedie, h.t.; 
Shef. on Lun. Introd. xxvi. Ratio in jure aequitas integra. 
     2. A man deprived of reason is not criminally responsible for his acts, 
nor can he enter into any contract. 
     3. Reason is called the soul of the law; for when the reason ceases, 
the law itself ceases. Co. Litt. 97, 183; 1 Bl. Com. 70; 7 Toull. n. 566. 
     4. In Pennsylvania, the judges are required in giving their opinions, 
to give the reasons upon which they are founded. A similar law exists in 
France, which Toullier says is one of profound wisdom, because, he says, les 
arrets ne sont plus comme autre fois des oracles muets qui commandent une 
obeissance passive; leur autorite irrefragable pour ou contre ceux qui les 
ont obtenus, devient soumise a la censure de la raison, quand on pretend les 
eriger en regles a suivre en d'autres cas semblables, vol. 6, n. 301; 
judgments are not as formerly silent oracles which require a passive 
obedience; their irrefragable authority, for or against those who have 
obtained them, is submitted to the censure of reason, when it is pretended 
to set them up as rules to be observed in other similar cases. But see what 
Duncan J. says in 14 S. & R. 240.