I’m asking about SOLA Scriptura here. Is Scripture ALONE sufficient? Where does Scripture say that?
It is more than sufficient.
Try John 10:35 - the scriptures cannot be broken And
John 5:39 search the scriptures. Here it shows that the Scriptures are to be the guidance. If you have traditions, what do you have for their basis? These two are intertwined. You cannot have me prove a negative, but you must prove the basis, origin and acceptance from The Creator before they can be accepted as doctrine.
The WORD is Christ--and He told His disciples, "He who does not love me will not obey my teaching. These words you hear are not my own, they belong to the Father who sent me. All this I have spoken while still with you. But the Counselor, the Holy Spirit, whom the Father will send in my name, will teach you all things and will remind you of everything I have said to you." (John 14:24-27)
The Bible records the teaching of God as it was given to those who believed in Him--but what gives LIFE to this teaching is not the written words themselves, but the Holy Spirit Christ promises to send to those who believe in Him, and which comes not from the human mind which does the reading of the written word, but from the "mind of God" which sent His WORD to earth in the Jesus the Christ. Paul describes this beautifully in Galatians 4:4--
"But when the time had fully come, God sent his Son, born of a woman, born under law, to redeem those under law, that we might receive the full rights of sons. Because you are sons, God sent the Spirit of his Son into our hearts, the Spirit who calls out, 'Abba, Father'. So you are no longer a slave [to sin and the law]; and since you are a son, God has made you also an heir[of the Kingdom of Heaven]."
To me--without the Holy Spirit's presence in our hearts, given to us "by grace through faith"--the Bible is just another "book". But with the presence of the Holy Spirit in our hearts--and minds--the Bible becomes "living bread!"
And the more we "read, mark, and inwardly digest" that "bread", and allow the Holy Spirit to reign in our hearts and minds, then--as Paul writes in Ephesians 4:14:--
"...we will no longer be infants, tossed back and forth by the waves, and blown here and there by every wind of teaching and by the cunning and craftiness of men in their deceitful scheming. Instead, speaking the truth in love, we will in all things grow up into him who is the Head, that is, Christ. From him the whole body [of the church], joined and held together by every supporting ligament, grows and builds itself up in love, as each part does its work."
>Im asking about SOLA Scriptura here. Is Scripture ALONE sufficient? Where does Scripture say that?
To be absolutely technical, no scripture alone is not all that is needed... James says that faith w/o works is dead and that “BY works a man is justified, and not by faith only.” [James 2:24]