Based on Bhagavad Gita Chapter 05, Text 22
The Bhagavad-gita (5.22) states that those who are intelligent never delight in sense pleasures because they understand how it always ends in misery.
This verse indicates that we need a functional or healthy intelligence to understand how sense pleasures end in misery. Just as regular physical exercise is essential to keep our body healthy, regular intellectual exercise is essential to keep our intelligence healthy.
What is the exercise for keeping our intelligence healthy?
It is unsentimental contemplation on the fate of sense pleasure.
A valuable contemplation tool for making our intelligence fit is the acronym FIT (Futility, Insubstantiality, Temporality) that encompasses the three possible fates of pursuing sense pleasure
1. Futility: Lust masquerading as love may induce within us the desire for a particular spouse. That person rejects us outright, thereby bursting the bubble of our fantasies in one go, with one unbearable prick.
Read More – http://www.gitadaily.com/2012/02/16/lets-keep-our-intelligence-fit/