Plotinos: Complete Works, v. 1 In Chronological Order,...

In short, the soul will be pure from all these passions, and will even desire to purify our being's irrational part so as to preserve it from emotions, or at least to moderate their number and intensity, and to appease them promptly by her presence. So would a man, in the neighborhood of some sage, profit thereby, either by growing similar to him, or in refraining from doing anything of which the sage might disapprove. This (suggestive) influence of reason will exert itself without any struggle; its mere presence will suffice. The inferior principle will respect it to the point of growing resentful against itself, and reproaching itself for its weakness, if it feel any agitation which might disturb its master's repose.