It has been well said … that there are steps on the way to the summit of Dietetic Reform, and, if only one step be taken, yet that single step will be not without importance and without influence in the world. The step, which leaves for ever behind it the barbarism of slaughtering our fellow-beings, the Mammals and Birds, is, it is superfluous to add, the most important and most influential of all.

The Ethics of Diet, Preface from the 1st edition, 1883