The hot-cold pair that was mentioned in the beginning is again referred to in the chapter on dhyana yoga, where He further adds (Ch. 6 – 7) another pair -- *mAna* and *apamAna*. In many places (2-57; 9-28; 12-17) He has mentioned the pair *shubha-ashubha* of direct opposites.
The shubha- ashubha (auspicious and non-auspicious) is nothing but puNya and pApa (Spiritual merit and demerit). At several places He mentions the pairs *priya – apriya* (likeable and unlikeable) , *ishhTa – anishhTa* (favourite and non-favourite), *lAbha – alAbha* (gain and loss), *jaya – apajaya* (victory and defeat) and pleads for equanimity between these opposites.
We have to keep on patiently tolerating whatever now appears to be bad among these, so that in due course we can be totally indifferent to them.
Extreme cold, extreme heat, , the inauspicious, the unpleasant, sorrow, dishonour, defeat – in all these, we have to build up such a tolerance.
And this tolerance should also be practised towards what appears now to us as good, namely, healthy heat, healthy cold, pleasure, honour, success, the auspicious and the pleasant. The Lord would not have mentioned both if he did not mean these also, in his list of objects towards which we have to be equanimous.
Both good and bad have to be taken equally, ‘suffered’ equally, treated equally indifferently. One can easily understand what it is to tolerate/endure what is bad. Maybe we cannot do it in practice; but we know what is meant. But what is it to say: ‘Endure the good things!’? Isn’t it funny? – To ‘endure’ the good things? That will be understood only if we take a few steps up the ladder of saadhanaa.
Even those that appear to be ‘good’ will turn out to be ‘unwelcome’ at a certain stage. Suppose a cool wind blows softly. It is pleasant to the body. But the thought will arise: “Why this hankering after the pleasure for the body? Cold or hot, whatever wind blows, let it blow. That should be the goal.
Why should one isolate the so-called soft cold wind and the ‘pleasure’ that it is supposed to bring? Why can’t one be indifferent to its ‘pleasing’ effect?”
In the same manner, when one gets money or status, or when one receives the aplombs of others, one will begin to think: “Why can’t I allow poverty to stay with me? Let people not be pleasant to to me. So what? Already I have trained myself to tolerate bad things; then why should I now be different when the good things arrive? If I change now then I would be making a distinction between good and bad”.