What's the saying about keeping eagles in the factory?

The eagle is a fierce bird. In geomantic omen, it can ward off evil spirits and inhibit insects and rats. If you don't have this evil, you'd better not keep it, just like a double-edged sword, which will not only hurt others, but also hurt yourself, and at the same time, it will have the influence that "the advantages outweigh the disadvantages, and the losses outweigh the gains". Mainly in terms of mental and health, it has certain adverse effects.