[Undated]

The cause and the selected fact are alike in that they are both ideas that have the power of being associated with an emotional experience that at one moment gives rise to a sense of creative synthesis and awareness of still un-synthesized discrete objects. Every emotional experience of knowledge gained is at the same time an emotional experience of ignorance unilluminated. The sense of creative success with its accompanying elation is therefore inseparable from a sense of failure to synthesize the discrete objects, the elementary particles, which are revealed by the success.