Why do you want to cultivate and show compassion? Knowing that compassion is good for you should not be your main reason for wanting to cultivate it.
فَنَحْنُ نَرْغَبُ أَوَّلًا وَأَخِيرًا أَنْ نُمَجِّدَ يَهْوَهَ ٱللهَ وَنَتَمَثَّلَ بِهِ .‏