49+ Emotional Intelligence Quotes Upsc. The dark side of emotional intelligence. Knowing yourself is the beginning of all wisdom. Emotional intelligence, or emotional quotient (eq), is defined as an individual's ability to identify, evaluate, . What's the difference between eq and iq? Emotional intelligence, as a psychological theory, was developed by peter salovey and john mayer. Aristotle's quotes on emotional intelligence. In some jobs, being in touch with emotions is essential. Relating to others is vital in today's workplace. In others, it seems to be a detriment. · "it is a choice.