Cardinal Thomas Collins greets parishioners after presiding over mass at St. Michael's Cathedral in downtown Toronto on Sunday. (ERNEST DOROSZUK/QMI AGENCY) Vatican denies gay blackmail rumours Timeline: Benedict steps down as Pope Pope Bendict's last Angelus

It’s a holy decision not to be taken lightly.

Cardinal Thomas Collins, the Archbishop of Toronto, will be in Rome Monday for the upcoming papal conclave as Pope Benedict XVI prepares for his official resignation Thursday.

“The right choice is the one where the Holy Spirit will guide us to make,” Collins told media after a packed mass at St. Michael’s Cathedral Sunday.

“I remember in 1978, I was studying in Rome and I left in June and there were two conclaves later that year. You hear the excitement in the streets. I’ll be inside and I’ll know who the Pope is before others do, but it will be amazing.”