Sola Scriptura is the doctrine and practice of scripture alone, or that the Bible alone is the final authority on all matters of Christian faith. This doctrine is a complete and total fiction.
Being Catholic Christian, I, of course, reject this doctrine. I could list all the usual reasons that Catholic Christians and Rabbinical Jews give for rejecting this doctrine but the point is entirely moot as it's never practiced anyway.
In fact, Sola Scriptura (SS) is wholly impossible to practice due to the imprecise nature of language and because each and every person person has their own experiences, biases and prejudices, all of which influence and color the way that they understand language in general and the Bible specifically.
The Catholic Christian Church interprets the Bible by the guidance of the Oral Tradition that was first given to Moses from God at Mt. Sinai. Starting with Martin Luther, protestants increasingly abandoned the Oral Tradition. But instead of actually practicing SS, protestants just made up their own traditions or returned to pre-Christian pagan traditions and their man-made traditions became their authority instead. The result is that protestantism is divided into a million and one different denominations, all of which preach a different gospel with a different Jesus and a different doctrine and a different plan of salvation.
In some parts of the USA, namely the so-called "Bible Belt," one can find a different protestant establishment on literally every other street corner and each one is quite literally teaching and practicing a different religion and worshiping a different deity. Many of these religions have no similarity at all with each other beyond that they all claim the Bible as their sole authority and that they call their disparate deities by the same name, Jesus.
[h=3]Colossians 2[/h]King James Version (KJV)
2 For I would that ye knew what great conflict I have for you, and for them at Laodicea, and for as many as have not seen my face in the flesh;
[SUP]
2 [/SUP]That their hearts might be comforted, being knit together in love, and unto all riches of the full assurance of understanding, to the acknowledgement of the mystery of God, and of the Father, and of Christ;
[SUP]
3 [/SUP]In whom are hid all the treasures of wisdom and knowledge.
[SUP]
4 [/SUP]And this I say, lest any man should beguile you with enticing words.
[SUP]
5 [/SUP]For though I be absent in the flesh, yet am I with you in the spirit, joying and beholding your order, and the stedfastness of your faith in Christ.
[SUP]
6 [/SUP]As ye have therefore received Christ Jesus the Lord, so walk ye in him:
[SUP]
7 [/SUP]Rooted and built up in him, and stablished in the faith, as ye have been taught, abounding therein with thanksgiving.
[SUP]
8 [/SUP]Beware lest any man spoil you through philosophy and vain deceit, after the tradition of men, after the rudiments of the world, and not after Christ.
[SUP]
9 [/SUP]For in him dwelleth all the fulness of the Godhead bodily.
[SUP]
10 [/SUP]And ye are complete in him, which is the head of all principality and power:
[SUP]
11 [/SUP]In whom also ye are circumcised with the circumcision made without hands, in putting off the body of the sins of the flesh by the circumcision of Christ:
[SUP]
12 [/SUP]Buried with him in baptism, wherein also ye are risen with him through the faith of the operation of God, who hath raised him from the dead.
[SUP]
13 [/SUP]And you, being dead in your sins and the uncircumcision of your flesh, hath he quickened together with him, having forgiven you all trespasses;
[SUP]
14 [/SUP]Blotting out the handwriting of ordinances that was against us, which was contrary to us, and took it out of the way, nailing it to his cross;
[SUP]
15 [/SUP]And having spoiled principalities and powers, he made a shew of them openly, triumphing over them in it.
[SUP]
16 [/SUP]Let no man therefore judge you in meat, or in drink, or in respect of an holyday, or of the new moon, or of the sabbath days:
[SUP]
17 [/SUP]Which are a shadow of things to come; but the body is of Christ.
[SUP]
18 [/SUP]Let no man beguile you of your reward in a voluntary humility and worshipping of angels, intruding into those things which he hath not seen, vainly puffed up by his fleshly mind,
[SUP]
19 [/SUP]And not holding the Head, from which all the body by joints and bands having nourishment ministered, and knit together, increaseth with the increase of God.
[SUP]
20 [/SUP]Wherefore if ye be dead with Christ from the rudiments of the world, why, as though living in the world, are ye subject to ordinances,
[SUP]
21 [/SUP](Touch not; taste not; handle not;
[SUP]
22 [/SUP]Which all are to perish with the using

after the commandments and doctrines of men?
[SUP]
23 [/SUP]Which things have indeed a shew of wisdom in will worship, and humility, and neglecting of the body: not in any honour to the satisfying of the flesh.