 Both Lucretius and Catullus, poets contemporary in the mid-1st century BC, offer disapproving glimpses of Cybele's wildly ecstatic cult.In some instances, deities of an enemy power were formally invited through the ritual of "evocatio" to take up their abode in new sanctuaries at Rome.Communities of foreigners "(peregrini)" and former slaves "(libertini)" continued their own religious practices within the city.