10. On this subject We have treated more fully in the recorded Encyclical letter which lately We addressed to you; what is important to recall at present is that the power of religion should suf fer no darkening, because those doctrines which the Church, under God, teaches, are restrained by no limits of time and place, but are bound up with the salvation and comfort of all people. This is the reason why those high benefits and strong safeguards, which she brought of old time to your noble nation, she is still ready to bring for the advancement of your prosperity and your fame. And particularly at this unhappy time, when weakness of spirit so abounds that the highest principles upon which the order and tranquillity of human society depend are boldly attacked, nay are brought even to totter, none can be ignorant how necessary is the observance of religion and those holy counsels and teachings which religion enforces.