Whenever our heart opens to another person, we experience a moment of unconditional love. People commonly imagine that unconditional love is a high or distant ideal, one that is difficult, if not impossible, to realize. Yet though it may be hard to put into everyday practice, its nature is quite simple and ordinary: opening and responding to another person's being without reservation.
Without faith that it is possible to render reality understandable by means of our theoretical constructs, without faith in an inner harmony of the world, there could be no science. This faith is and always will be the basic motivation behind every creative scientific idea. All our endeavors, all the dramatic conflicts between old and new ideas are supported by the eternal desire for knowledge, the unshakeable faith in cosmic harmony which becomes stronger the more difficulties loom before us.
~ from THE EVOLUTION OF PHYSICS by Albert Einstein and Leopold Infield
