Complex sentence: However, importance was placed on secularism and non-violence towards the religious: But the campaign against the backwardness of the masses in this matter of religion, must be conducted with patience and considerateness, as well as with energy and perseverance.
Split into simpler sentences: However, importance was placed on secularism and non-violence towards the religious. But the campaign against the backwardness of the masses in this matter of religion, must be conducted with patience and considerateness, as well as with energy and perseverance.