The world is not something separate from you and me; the world, society, is the relationship that we establish or seek to establish between each other. So you and I are the problem, and not the world, because the world is the projection of ourselves, and to understand the world we must understand ourselves. That world is not separate from us; we are the world, and our problems are the world's problems.
All idealists imagine that the causes they serve are fundamentally better than any other causes in the world, and they refuse to believe that if their cause is to flourish at all it requires precisely the same foul-smelling manure that is necessary to all other human undertakings.
In the scientific world I find just that disinterested devotion to great ends that I hope will spread at last through the entire range of human activity.