《淮南子·原道训》
如果心中不存害人的欲念，那么就是尾随饥饿的老虎也不可怕；更何况对付狗、马之类的动物！
欲寅之心亡于中，则饥虎可尾，何况狗马之类乎！
If you have no malicious intent towards others, you can even tag along with a starving tiger; let alone dealing with animals like dogs and horses!