Creating a new theory is not like destroying an old barn and erecting a skyscraper in its place. It is rather like climbing a mountain, gaining new and wider views, discovering unexpected connections between our starting points and its rich environment. But the point from which we started out still exists and can be seen, although it appears smaller and forms a tiny part of our broad view gained by the mastery of the obstacles on our adventurous way up.
Albert EinsteinMan owes his strength in the struggle for existence to the fact that he is a social animal.
Albert EinsteinLaws alone can not secure freedom of expression; in order that every man present his views without penalty there must be spirit of tolerance in the entire population.
Albert Einstein