There is no difference between happiness and distress

Because the Lord is the supreme cause, everything is one with Him, but when we consider varieties, we find that one thing is different from another.

We may conclude, therefore, that there is no difference between one thing and another, yet in varieties there are differences. In this regard, Madhvacarya gives an example concerning a tree and a tree in fire. Both trees are the same, but they look different because of the time factor. The time factor is under the control of the Supreme Lord, and therefore the Supreme Lord is different from time. An advanced devotee consequently does not distinguish between happiness and distress.

Srimad Bhagavatam 7.9.31 purport