Seven hundred thousand men are said to have perished in the first two expeditions, which had been thus commenced and carried on by the pious zeal of the Christian church, and in the total amount, several million were found numbered with the dead: the awful effects of religious fanaticism presuming upon the aid of heaven.

Principles of Nature; or, a development of the moral causes of Happiness and Misery among the human species (ed. 1823)