Si judicas, cognasce. If you judge, understand.

Si meliores sunt quos ducit amor, plures sunt quos corrigit timer. If many are better led by love, more are corrected by fear. Co. Litt. 392.

Si nulla sit conjectura quae ducat alio, verba intelligenda sunt ex proprietate, non grammatica sed populari ex usu. if there be no conjecture¹ which leads to a different result, words are to be understood, according to the proper meaning, not in a grammatical, but in a popular and ordinary sense. 2 Kent, Com. 555.

Si quis custos fraudem pupillo fecerit, a tutela removendus est. If a guardian² behave fraudently to his ward³, he shall be removed from the guardianship⁴. Jenk. Cent. 39.

Si quis praegnantum uxorem reliquit, non videtur sine liberis decessisse. If a man dies, leaving his wife pregnant, he shall not be considered as having died childless.

Si suggestio non sit vera, literae patentes vacuae sunt. If the suggestion of a patent is false, the patent itself is void. 10 Co. 113.

Si quid universitate debetur singulis non debetur, nec quod debet, universitas singuli debent. If anything is due to a corporation, it is not due to the individual members of it, nor do the members individually owe what the corporation owes. Dig. 3, 4, 7.

Sic interpretandum est ut verba accipiantur cum effectu. Such an interpretation⁶ is to be made, that the words may have an effect.

Sic utere tuo ut alienum non laedas. So use your own as not to injure another's property. 1 Bl. Com. 306; Broom's max. 160; 4 McCord, 472; 2 Bouv. Inst. n. 2379.

Sicut natura nil⁷ facit per saltum, ita nec lex. AS nature does nothing by a bound or leap, so neither does the law. Co. Litt. 238.

Silent leges inter⁵ arma. laws are silent amidst arms. 4 Co. Inst. 70.