All beings tremble before violence. All fear death, all love life. See yourself in others. Then whom can you hurt? What harm can you do?
One should not kill a living being, nor cause it to be killed, nor should one incite another to kill. Do not injure any being, either strong or weak, in the world.
It is more important to prevent animal suffering, rather than sit to contemplate the evils of the universe praying in the company of priests.
To become vegetarian is to step into the stream which leads to nirvana.