Si quid novisti rectius istis, / Candidus imperti; si non, his utere mecum—If you know anything better than these maxims, frankly impart them to me; if not, use these like me. Hor.
Si quis—If any one, i.e., has objections to offer.
Si, quoties homines peccant, sua fulmina mittat / Jupiter, exiguo tempore inermis erit—If, as oft as men sin, Jove were to hurl his thunderbolts, he would soon be without weapons to hurl. Ovid.
Si sit prudentia—If you are but guided by prudence. M. from Juv.
Si tibi deficiant medici, medici tibi fiant / Hæc 35 tria; mens hilaris, requies, moderata diæta—If you stand in need of medical advice, let these three things be your physician: a cheerful mind, relaxation from business, and a moderate diet. Schola Salern.
Si tibi vis omnia subjicere, te subjice rationi—If you wish to subject everything to yourself, subject yourself first to reason. Sen.
Si trovano più ladri que forche—There are more thieves than gibbets. It. Pr.
Si veut le roi, si veut la loi—So wills the king, so wills the law. Fr. L.
Si vis amari, ama—If you wish to be loved, love. Sen.
Si vis me flere, dolendum est / Primum ipsi tibi—If 40 you wish me to weep, you must first show grief yourself. Hor.