"But the church does not want to do this," Francis said in the interview.
The pope then recalled his comments in July, when he told the media aboard a flight to Rome, "Who am I to judge" gay people?
"By saying this, I said what the catechism says," the pope told Spadaro. The catechism, the Catholic Church's book of official doctrine, condemns homosexual acts, but says gays and lesbians "must be accepted with respect, compassion, and sensitivity."
"Religion has the right to express its opinion in the service of the people, but God in creation has set us free: it is not possible to interfere spiritually in the life of a person."
Francis said that someone once asked him if he "approved" of homosexuality.
"I replied with another question," he said. "`Tell me, when God looks at a gay person, does he endorse the existence of this person with love, or reject and condemn this person?’ We must always consider the person. Here we enter into the mystery of the human being."
Abortion, gay marriage and contraception
Some American Catholics grumble that Francis has been largely silent on signature Catholic political issues.
"I’m a little bit disappointed in Pope Francis that he hasn’t, at least that I’m aware of, said much about unborn children, about abortion, and many people have noticed that," Bishop Thomas Tobin of Providence, R.I., said earlier this month.
Francis said that he's aware of the criticism, but he is not going to change.
“We cannot insist only on issues related to abortion, gay marriage and the use of contraceptive methods," he told his Jesuit interviewer. "I have not spoken much about these things, and I was reprimanded for that."
But the pope said the church's teachings on those issue are clear, and he clearly believes in those teachings, so what else is there to say?
"It is not necessary to talk about these issues all the time," Francis said.
False prophets and quick decisions
Only false prophets claim to have all the answers, Francis said.
"The great leaders of the people of God, like Moses, have always left room for doubt," he said. "You must leave room for the Lord."
But church leaders, including himself, haven't always practiced humility, the pope admitted.
Many of the bad decisions he made while leading Catholics in Argentina came about because of his "authoritarianism and quick manner of making decisions," the pope said.
That won't happen again, Francis said, as he begins to steer the church in a new direction.
He didn't offer an exact course, but he said change will come. Sooner or later.
"Many think that changes and reforms can take place in a short time," he said. "I believe that we always need time to lay the foundations for real, effective change. And this is the time of discernment."