And for this reason, the leading Scholars of Islām are agreed that these severe innovations are more evil than sins...

The innovations of the Khawārij, the Shīʿah, the Murjiʾah and the Qadariyyah have resemblance in the texts of the Prophets...

For when innovations which oppose the ḍīn of the Messengers appear, Allāh seeks revenge from whoever opposes the Messengers and aids them (the Messengers)...