We know why Thomas objected. Because he did not wish to accept the truth about the resurrection. In this he was no different from the other apostles. They had similar difficulties. (…)Thomas was not with them, when Christ came to the Upper Room for the first time. That is the reason for his reservation. His "faithlessness". He asked for a proof. The same proof that the others had already had. Their words and news were not enough for him. He wanted to convince himself personally. He wanted to see with his own eyes. He wanted to touch. And he obtained what he asked for. His "faithlessness" became in a certain sense an additional proof. (…)The very fact that he refused to believe the news of the resurrection, contributed, indirectly, to giving the news even greater certainty. "Faithless" Thomas became, in a certain way, an extraordinary spokesman of the certainty of the Resurrection. As St Gregory the Great affirms, "the faithlessness of Thomas was far more useful to us, as regards faith, than the faith of the other disciples. While, in fact, Thomas is brought back to faith through touch, our mind is consolidated in faith with the overcoming of all doubt, Thus the disciple, who doubted and touched, became a witness to the reality of the Resurrection" (XL Homiliarum in Evangelia lib. III, Homil. 26, 7: P.L. 76, 1201). (St. John Paul II, Regina Coeli, 22 April 1979)