Seneca seems to think, possibly under the influence of Posidonius, that the first movements are ‘natural affects’ (Epistles 57.4) which even the sage experiences, simply because of our common human nature. 154 In On Anger 2.4.2 Seneca states that first movements cannot be overcome by reason, ‘though perhaps familiarity and constant attention may weaken them’. All people are disposed to experience first movements. This natural tendency is not curable, but emotions can be eradicated. It has been argued that the first movements are sensed bodily reactions, but this is only one aspect of them. 15