Are Voices in My Head from God or the Devil?

<p><span style="font-size: 20px;">Resources:</span></p> <ul> <li><a href="http://SpiritualDirection.com/shop">Spiritual Warfare and the Discernment of Spirits</a> - Dan Burke</li> <li><a href= "https://www.sophiainstitute.com/products/item/the-contemplative-rosary"> The Contemplative Rosary</a> - Dan Burke and Connie Rossini</li> <li><a href="http://onelink.to/92tyk4">The Contemplative Rosary App</a> (phones and tablets only)</li> <li><a href="http://SpiritualDirection.com/shop">A Catholic Guide to Mindfulness</a> - Susan Brinkmann OCDS</li> <li><a href= "https://avila-institute.org/events/">Avila-Institute.org/events</a> - website</li> <li><a href="http://avila-institute.org/" target="_blank" rel= "noopener noreferrer">Avila Institute for Spiritual Formation</a></li> <li><a href="http://www.ewtnreligiouscatalogue.com/" target= "_blank" rel="noopener noreferrer">EWTN Religious Catalogue</a> – online</li> <li><a href="https://www.apostoliviae.org/" target="_blank" rel= "noopener noreferrer">Apostoli Viae</a> - website</li> <li><a href="https://www.sophiainstitute.com/" target="_blank" rel= "noopener noreferrer">Sophia Institute</a> – website</li> <li><a href= "https://www.ewtnreligiouscatalogue.com/Home+Page/BOOKS/Contemporary+Issues/INTO+THE+DEEP.axd" target="_blank" rel="noopener noreferrer">Into the Deep</a> - Dan Burke</li> <li><a href= "https://www.amazon.com/Deliverance-Prayers-Fr-Chad-Ripperger/dp/154105671X/ref=sr_1_1?ie=UTF8&qid=1544109361&sr=8-1&keywords=deliverance+prayers+for+use+by+the+laity+-+fr.+chad+ripperger" target="_blank" rel="noopener noreferrer">Deliverance Prayers: For Use by the Laity</a>  - <a class="a-link-normal" href= "https://www.amazon.com/s/ref=dp_byline_sr_book_1?ie=UTF8&text=Fr.+Chad+A+Ripperger+PhD&search-alias=books&field-author=Fr.+Chad+A+Ripperger+PhD&sort=relevancerank" target="_blank" rel="noopener noreferrer">Fr. Chad A Ripperger PhD</a></li> <li><a href= "https://www.ewtnreligiouscatalogue.com/Home+Page/BOOKS/Prayer/THE+DISCERNMENT+OF+SPIRITS.axd" target="_blank" rel="noope