The sufficiency of Scripture does not dictate the language we use to interpret the Bible; rather, it governs the meaning of the language we use. For that, it is wholly sufficient.
A "faith talk is more powerful to an audience than a complex doctrinal explanation," defines the principle that personal experiences and stories of belief often connect more deeply and move an audience more effectively than an abstract, detailed theological argument.
Spend time alone with your thoughts. Soul searching involves evaluating how you feel and what is truly important to you. Deep thought is only possible by minimizing distractions and spending time with yourself.
To "rightly divide the Word of God" means to accurately and faithfully handle, interpret, and teach the Bible, cutting a "straight line" to convey the truth without distortion or misrepresentation.