Pope Francis condemned an attack on a Congolese village that led to the deaths of seven people, including a nun, after gunman looted and burned homes and a local health center.

Feelings of desolation and sadness are not signs of trials that may discourage Christians, they can be indispensable signs that point to dangers along the path toward happiness, Pope Francis said.

Standing in front of an ancient symbol of violent battles, Pope Francis and religious leaders from around the world echoed “the cry for peace” of people suffering the impact of conflicts around the world, but especially in Ukraine.

The challenges and threats facing humanity and the planet can be confronted effectively if all people come together in “a spirit of solidarity,” said Thomas Bach, president of the International Olympic Committee, in an appeal also supported by three Vatican dicasteries.

The importance of the family for the Catholic Church and for society means that theological reflection on family life and pastoral responses to the joys and problems of families must focus on more than the relationship between a husband and wife, Pope Francis said.

The international community must work for peace, and believers of all faiths must pray for it, but pressuring Ukraine to make peace with Russia would be to “consecrate the law of the strongest,” French President Emmanuel Macron told religious leaders meeting in Rome.

“Spiritual arrogance” — thinking one is holier or better than others — is a temptation everyone faces and is a form of self-worship, Pope Francis said.

Pope Francis encouraged Christian business leaders to form “a new alliance” with young people to learn and create together an economy for the common good.

As France begins a national debate on euthanasia, Pope Francis urged politicians from the country’s northern region to reject the “throwaway culture” and instead focus on providing care and relief to those nearing the end of their lives.

Every year, for more than three decades, the Vatican tribunal dealing with matters of conscience has offered a course to help priests in their “ministry of mercy” as confessors.