Authors:

By all that is sacred in our hope for the human race, I conjure those who love happiness and truth to give a fair trial to the vegetable system!

"A Vindication of Natural Diet". Book by Percy Bysshe Shelley, archive.org. 1813.
By all that is sacred in our hope for the human race, I conjure those who love happiness and truth to give a fair trial to the vegetable system!