Sola Fide - by Faith alone.
Romans 1:17
For therein is the righteousness of God revealed from faith to faith: as it is written, "The just shall live by faith."

Sola Scriptura - by Scripture alone.
2 Timothy 3:16
All scripture is given by inspiration of God, and is profitable for doctrine, for reproof, for correction, for instruction in righteousness:

Solus Christus - through Christ alone.
1 Peter 2:5
Ye also, as lively stones, are built up a spiritual house, an holy priesthood, to offer up spiritual sacrifices, acceptable to God by Jesus Christ.

Sola Gratia - by Grace alone.
Ephesians 2:8-9
8  For by grace are ye saved through faith; and that not of yourselves: it is the gift of God:
9  Not of works, lest any man should boast.

Soli Deo Gloria - Glory to God alone.
Jude 1:25
To the only wise God our Saviour, be glory and majesty, dominion and power, both now and ever.

Amen.