The travelling images produced by Jacques Derrida when he goes back to his native home in the suburbs of Alger after a trip to Moscow and a stay in Athens introduce the reader to the intricate theme of travelling and emotions. To go, to remain, to go back intertwine with memory, with memories: emotions are the travel, but the relations among them, analyzed with extraordinary sharpness lead us to the depth of the human soul. The article analyzes both the ethic dimension of being-on-a-trip and the exposure to the other and to its taking place as a possibility sprouting from the impossible and the incalculable. This is an event of experience and language at the same time. To be on a trip therefore coincides with a certain pragmatic of la...