Just as individuals can separate themselves from the Church by heresy or schism, so the Church can separate individuals from her visible body by her own authority through sentence of perfect excommunication.
It must be that only those professing the true faith can reasonably be considered Catholic. Otherwise, we would be in the position of stating that those who publicly reject the rule of faith nonetheless share in the 'profession of the same faith' with those who do give their submission.
There is a threefold authority in the Church – that of sanctifying, teaching, and governing. Members of the Church must be subject to this threefold authority of Jesus Christ in order to become, and remain, members of the Catholic Church.
Dr. Mary O’Connor, a family physician, Dr. Mark Trozzi, an emergency room doctor, and Dr. Byram Bridle, a viral immunologist, all received awards for medical heroism from LifeSite’s co-founder Steve Jalsevac at this year's 25th anniversary gala in Ontario.