 Brentano’s views concerning the right method in philosophy was of particular importance to his contributions to psychology, as already the title of his main work, Psychology from an Empirical Standpoint suggests. Also there he argued that the right procedure consisted in observing and describing the relevant phenomena and establishing the general laws on the basis of induction. The particularity of Brentano’s method lies in the fact that psychology is based mainly on observation that is performed from a first person point of view. The psychologist draws on the intimate knowledge concerning her own current mental phenomena that she gains through inner perception (which, as we shall see below, is to be distinguished from inner observation). Brentano does not suggest, however, that these descriptions are infallible: as it is impossible to live and describe a particular experience at the same time, all descriptions of mental phenomena have to rely on memory and inner observation.