Today, Pope Benedict XVI says he is too old to be Pope. He is highly respected as the head of the Catholic Church. At the age of 85, he leaves a strong legacy of faith, apostolate and service to the Church and other religions.
too old: to be excessively old; to be older than necessary
Pope: the boss of the Church
to be respected: to be admired
head: the boss
at the age of 85: being 85 years old
apostolate: the work of an apostle or follower of Christ