Forward March

Men and pig are both sentient beings. Both desire to live and hesitate to die. Men are strong while pig are weak, So pig are sent to the slaughter house where men think fit. Do you approve of what men have been doing?....

BUDDHA (623 B.C - 543 B.C.)

For fear of causing terror to living beings let the bodhisattva who is disciplining to attain compassion refrain from eating flesh.

(from The Lankavatara Sutra)