Sic vos non vobis—Virgil (sik vōs non vō´biss).—Thus you toil, but not for yourselves. The poet here refers to bees, who make honey, but not for their own use.

Similia similibus curantur (sim-il´i-a sim-il´i-bus ku-ran´tur).—Like things are cured by like. Motto of homœopathic school of medicine.

Sine die (sin´e dī´ē).—Without a day being appointed: indefinitely.

Sine invidia (in-vid´i-ā).—Without envy.

Sine odio (ō´di-ō).—Without hatred.

Sine qua non (sin´e kwā non).—An indispensable condition.

Siste, viator (sis´te vi-ā´tor).—Stop, traveler.

Si vis pacem, para bellum (sī viss pā´sem par´ā bell´um).—If you wish for peace, prepare for war.

Sola nobilitas virtus (´la no-bil´itas vir´tus).—Virtue alone is true nobility.

Sola virtus invicta (´la vir´tus in-vik´ta).—Virtue alone is invincible.