A human being is part of the whole, called by us the Universe, a part limited in time and space. He experiences himself, his thoughts and feelings as separate from the rest—a kind of optical illusion of consciousness. This delusion is a kind of prison for us, restricting us to our personal desires and to affection for a few persons near to us. Our task must be to free ourselves from the prison by widening our circle of humanity to embrace all living creatures and the whole of nature in its beauty. Nobody is able to achieve this completely, but the striving for such achievement is in itself a part of the liberation and a foundation for inner security.
~ Einstein
On Self and World – 1972
very interesting.