Original: Scriabin considered D major to be golden in color and, in a discussion with Rimsky-Korsakov, he gave an example from one of Rimsky-Korsakov's own operas where a character sang in D major about gold.
Simplified: Scriabin saw D major as golden in color and when he talked to Rimsky-Korsakov, he gave an example from one of Rimsky-Korsakov's own operas where a character sang in D major about gold.