sola fide	by faith alone	The material principle of the Protestant Reformation and one of the five solas, referring to the Protestant claim that the Bible teaches that men are saved by faith even without works.
sola gratia	by grace alone	A motto of the Protestant Reformation and one of the five solas, referring to the Protestant claim that salvation is an unearned gift (cf. ex gratia), not a direct result of merit.
sola lingua bona est lingua mortua	the only good language is a dead language	Example of dog Latin humor.
sola scriptura	by scripture alone	The formal principle of the Protestant Reformation and one of the five solas, referring to the Protestant idea that the Bible alone is the ultimate authority, not the pope or tradition.
sola nobilitat virtus	Virtue alone ennobles
soli Deo gloria (S.D.G.)	glory to God alone	A motto of the Protestant Reformation and one of the five solas, referring to the idea that God is the creator of all good things and deserves all the praise for them. Johann Sebastian Bach often signed his manuscripts with the abbreviation S.D.G. to invoke this phrase, as well as with AMDG (ad maiorem Dei gloriam).
solus Christus	Christ alone	A motto of the Protestant Reformation and one of the five solas, referring to the Protestant claim that the Bible teaches that Jesus is the only mediator between God and mankind. Also rendered solo Christo ("by Christ alone").

The Five Sola's

1 Sola scriptura ("by Scripture alone")
2 Sola fide ("by faith alone")
3 Sola gratia ("by grace alone")
4 Solus Christus or Solo Christo ("Christ alone" or "through Christ alone")
5 Soli Deo gloria ("glory to God alone")