For det andet om mobilitet er det af to årsager helt afgørende, at unge lærer andre europæiske sprog for at kunne interagere flydende i det europæiske miljø og for at være fuldt ud integrerede medlemmer af de samfund, de bor og arbejder i, med andre ord med henblik på social samhørighed.
Secondly, and in close relation to mobility, it is crucial that young people learn other European languages, for two purposes: to interact fluently in the European environment and to be fully integrated members of the communities where they live and work, or, in other words, for social cohesion.