"It is not possible to give communion to a person who is not baptized or to one who rejects the full truth of the faith regarding the Eucharistic mystery. Christ is the truth and he bears witness to the truth (cf. Jn 14:6; 18:37); the sacrament of his body and blood does not permit duplicity." [...]
"For if we look at the matter a little more carefully, we shall see that even when a man dies faithfully and laudably for the truth’s sake, it is still death he is avoiding… He submits to the separation of soul and body, lest the soul be separated both from God and from the body, [...]
"Without truth, without trust and love for what is true, there is no social conscience and responsibility, and social action ends up serving private interests and the logic of power, resulting in social fragmentation, especially in a globalized society at difficult times like the present." Source: Pope Benedict XVI, CARITAS IN VERITATE (Charity in [...]
"In the sacrament of the Eucharist, Jesus shows us in particular the truth about the love which is the very essence of God." Source: Pope Benedict XVI, SACRAMENTUM CARITATIS (Sacrament of Charity), 2/22/2007
"A Christianity of charity without truth would be more or less interchangeable with a pool of good sentiments, helpful for social cohesion, but of little relevance. In other words, there would no longer be any real place for God in the world." Source: Pope Benedict XVI, CARITAS IN VERITATE (Charity in Truth), 6/29/2009 [...]
Your chief desire ought to be to slay your selfish will so that it neither seeks nor wants anything but to follow [God’s] gentle Truth, Christ crucified, by seeking the honor and glory of [His] name and the salvation of souls. The Dialogue was dictated by St. Catherine during an ecstasy that she experienced. [...]