Though our conduct seems so very different from that of the higher animals, the primary instincts are much alike in them and in us.
Albert EinsteinPhysical concepts are free creations of the human mind, and are not, however it may seem, uniquely determined by the external world.
Albert EinsteinThe conscientious objector is a revoultionary. On deciding to disobey the law he sacrifices his personal interests to the most important cause of working for the betterment of society.
Albert Einstein