HOW CAN THE POPE BE INFALLIBLE, WHEN HE IS HUMAN LIKE US?
SIMEON O. OSUIDE · 05/10/2026
The Infallibility of the Pope is one of the most misunderstood teachings of the Catholic Church, even among some Catholics. Many people believe that it means that the Pope cannot sin, and that he is incapable of any errors. Pope John Paul II, now Pope Saint John Paul II, was well know to go to confession regularly.
"… for a righteous man falls seven times, and rises again; but the wicked are overthrown by calamity". Proverbs 24:16
In Catholic theology, infallibility is the guarantee by the Holy Spirit that the Church, including the Pope in his highest office, is preserved from error when it definitively teaches on matters of faith and morals. This is a charism (a special gift) of the entire Church, not a personal quality of the Pope. The Pope is not considered "impeccable," or free from sin, and this doctrine offers no guarantee regarding his personal conduct, political opinions, or everyday decisions. Catholics recognise that, despite his vast knowledge, the Pope is a human being and susceptible to human errors. His judgments on topics like science, politics, and sports can be wrong. The doctrine simply means that the Pope is divinely protected from error when, in his official capacity as the chief shepherd of the Catholic Church, when he makes a decision that is binding on the conscience of all Catholics worldwide. In other words, his infallibility is limited to matters of the Faith in Jesus Christ.
For the Pope to be considered infallible in a particular matter or statement, four conditions must be met:
1. He must be speaking ex cathedra, meaning "from the Chair" of Peter, or in other words, officially as the head of the entire Church.
2. The decision must pertain to the whole Church.
3. It must concern a matter of faith or morals.
4. The Pope must intend to make a final decision on a teaching of faith or morals, so that it is to be held by all the faithful.
This means he interprets doctrine rather than originate it; he does not have the authority to create new doctrines, only to safeguard and explain them. He cannot distort a single word of Scripture or alter any aspect of divine tradition. His infallibility is strictly limited to doctrinal interpretation and is used quite rarely.
Because of these rare conditions, only two clear "ex cathedra" definitions have been made:
· The Immaculate Conception of Mary (declared by Pope Pius IX in 1854, before the formal definition of the doctrine).
· The Assumption of Mary into heaven (declared by Pope Pius XII in 1950).
It serves to clarify and "define" aspects of ancient Christian tradition. This infallibility is what Christ referred to when He said to Peter, the first Pope,
“Blessed are you, Simon Bar-Jona! For flesh and blood has not revealed this to you, but my Father who is in heaven. And I tell you, you are Peter, and on this rock I will build my Church, and the gates of Hades shall not prevail against it. I will give you the keys of the kingdom of heaven, and whatever you bind on earth shall be bound in heaven, and whatever you loose on earth shall be loosed in heaven.” Matthew 16:17-19 RSV
“Simon, Simon, behold, Satan demanded to have you, that he might sift you like wheat,
but I have prayed for you that your faith may not fail; and when you have turned again, strengthen your brethren.” Luke 22:31-32 RSV
Catholics see this as a promise of assistance for Peter's mission of confirming the faith; the tradition applies that mission to Peter's successors as well.
In John 21:15-17, Jesus commissions Peter shepherd his sheep.
Certainly, Christ would not have instructed His followers to "hear the Church" (Matt. 18:17) without ensuring that what they heard was the truth, making the teaching authority of His Church infallible.
For a complete understanding of the Pope's infallibility, it is important to note that his ex cathedra decisions do not stem from his private deliberations. They are the result of years—sometimes hundreds of years—of consultation with other bishops and theologians of the Church. Essentially, he is voicing the belief of the entire Church. His infallibility is not a personal endowment but rather a gift to the entire Mystical Body of Christ.
Indeed, the Pope cannot change Christian doctrine. No Pope has ever used his infallibility to modify, add to, or subtract from any Christian teaching; this is because Our Lord promised to be with His Church until the end of the world (Matt. 28:20).
Infallibility vs. Primacy:
Papal primacy concerns the Pope's governing authority over the Church, while infallibility concerns his teaching authority when defining a doctrine.
· Not Everything a Pope Says: This is the most common misconception. Ordinary homilies, encyclicals, interviews, and personal opinions are not infallible.
· Moral & Scientific Matters:
Infallibility does not apply to scientific, political, or economic matters.
· Infallibility of the Church: Papal infallibility is a specific manifestation of the infallibility of the entire Church, which can also be exercised by an Ecumenical Council, for example; Vatican II.
· Irreformable: Once defined ex cathedra, a doctrine is considered irreformable, meaning it cannot be changed by a later Pope.