12 October 2026 – Reason To Believe

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Investigation of the Eucharistic Miracle of Buenos Aires of 1996 by Ron Tesoriero (in more detail)

12 October 202615 October 2026 By Ron Tesoriero

I have provided a response to an article written and published in Crisis Magazine which criticized some elements of the facts and findings

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The most life-changing book!

My Human Heart may be the best, most life-changing book I’ve ever read. I’ve bought many copies and have gotten some in my county library with some help from you.

Those first chapters pulled me right in, completely convincing me of the power of prayer, well with a little faith added. I couldn’t put it down until it was read.

Two persons whose hands I got it into said it changed their lives and I HAD TO TELL other people about it.

Mary H

My Human Heart is an excellent read that will expand one’s heart, mind and spirit.

My Human Heart by Ron Tesoriero offers an extensive, detailed scientific investigation of the Eucharistic Miracle of Buenos Aires. The level of detail approaches that of a research article published in scientific journals—a testament to Ron’s dedication, a lawyer by professional training. In addition, the book outlines the myriad of spiritual events Ron experienced along the way, revealing fascinating connections between the investigation of the Eucharistic Miracle of Buenos Aires, other supernatural events, important artifacts of the Christian world, people in Ron’s life, and his own personal faith journey. This book is an excellent read that will expand one’s heart, mind and spirit.

Sunny

Your books are the best that I have found to date

I have numerous books on Eucharistic Miracles but none narrates the journey of a sceptic on discovery as well as yours does.

Carol J

Thank you from the bottom of my heart.

…I kept asking God to reveal HIS truth to me, and He has, by His mercy, LOVE and grace. And your books and story are the punctuation marks that have solidified my faith in Him and for that, I am forever grateful to our Lord and saviour, especially for placing you along my path.

Ziad N.

My Human Heart has reinvigorated my love for Jesus

My Human Heart has reinvigorated my love for Jesus and I profoundly adore His sacrifice. I have a hard time holding back tears everytime I think about these miracles and His presence in the sacrament. I honestly feel like I’m a little girl again, thrilled at her Father’s creation and not weighed down by the trials of life. I feel like my doubts and inhibitions are fading away and my faith is beginning to take centerplace in my heart and mind again. It is very difficult to be a millennial and proclaim love for Jesus and hold strong belief in His presence and Holy Spirit.

Tracy M.

An important book!

I do not think it overestimates it, to say the My Human Heart book is one of the most important written in the last century!

Mike B.

Your books are truly amazing

You have put a smile on Jesus’ face with “Everything you have done for him”…

Ron, your books/films are really special but more importantly as you know, what you and Mike have done will go down in big history for mankind, hopefully you will see the fruits of it…

Again its because of you that Jesus has asked me to do my little bit and who knows where that will go.

William R

Science proves the living presence of God.

Today with God’s blessing we have a beautiful text (My Human Heart) recounting parts of Katya’s life and revealing messages about Eucharistic blood comparisons.

This text is a very illuminating novelty and deepens with valuable scientific contributions certain knowledge in times when today’s man rejects light, to take refuge in darkness. Unfortunately, the Church did not have in her hands enough knowledge that today’s science allows us to venture into. But today with this text science can prove the living presence of God.

Fr Renzo

Spiritual Director to Katya Rivas

My Human Heart is special

Words cannot express how much I enjoyed it and profited from it… This one would have been worth reading from the beginning over and over. I have read and heard about many Eucharistic miracles, but this book is special.

I have also read several books that disprove Darwinism, but nothing compares to the unique perspective of this book, and I am convinced!

Day: 12 October 2026