Task: Gauge the level of intensity for emotion E in the tweet, assigning it a score between 0 and 1. A score of 0 indicates the lowest intensity, while a score of 1 indicates the highest intensity.
Tweet: Let us not burden our remembrances with a heaviness that's gone.\n- William Shakespeare (1564-1616)\n#forge ahead.
Emotion: sadness
Intensity score: 
0.604