 Motivation is the “enacting” of an experience “due to (auf Grund) the other, for the sake of the other” (1922: 36[41]). It is the “fundamental lawfulness of spiritual life” (1922: 35[39]), and “subjects the psyche to the rule of reasons” (1922: 100[116]; see also 1917: 122–123[117]). Importantly, motivation is essentially an egoic activity, whereas psychic causality works on the pre-egoic level of “pure passivity” (1922: 35[39]). As Stein aptly puts it: 