Bild Dr. phil. Marie-Cécile Bertau
Actually, it would be more correct to say just on the contrary. We are conscious of ourselves because we are conscious of others [...] I am aware of myself only to the extent that I am as another for myself [...] consciousness is, as it were, social contact with oneself [...]

L.S. Vygotsky, Consciousness as a Problem in the Psychology of Behavior, 1925/1986:278-279