Back Quanta Cura Catalan Quanta cura Czech Quanta Cura (Pius IX.) Danish Quanta cura (Pius IX.) German Quanta cura (Pío IX) Spanish Quanta cura (Pie IX) French Quanta cura Croatian Quanta Cura ID Quanta cura Italian Quanta cura (Pius IX) Latin
| Quanta cura Encyclical of Pope Pius IX | |
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| Signature date | 8 December 1864 |
| Subject | Condemning Current Errors |
| Number | 25 of the pontificate, 41 of the total |
| Text | |
Quanta cura (Latin for "With how great care") was a papal encyclical issued by Pope Pius IX on 8 December 1864. In it, he decried what he considered significant errors afflicting the modern age. These he listed in an attachment called the Syllabus of Errors, which condemned secularism and religious indifferentism.