Excess of Emotion

The biographies of the poets show us some radical effects of emotional excess; rock music history provides more examples.

"I thought of Chatterton, the marvellous Boy,
The sleepless Soul that perished in his pride;
Of Him who walked in glory and in joy
Following his plough, along the mountain-side:
By our own spirits are we deified:
We Poets in our youth begin in gladness;
But thereof come in the end despondency and madness."

excerpt from William Wordworth: 'Resolution & Independence' (1807)

http://www.bartleby.com/145/ww202.html

http://litmed.med.nyu.edu/Annotation?action=view&annid=286

Ancient Greek adage says, "Nothing to excess!".

Ancient Chinese 'Yellow Emperor's Classic' known as the 'neijing' has
the same theme; but goes into detail concerning the disruptive effects
of excess on the Qi (chi, ki), and many psychic, spiritual, and
physical results.

http://deepesthealth.com/2007/chinese-medicine-and-the-emotions-what-
does-the-neijing-say/

http://deepesthealth.com/2007/chinese-medical-symbolism-the-organ-clock/

http://www.templeofthetwindragons.com/chi_disruption_2.htm