The phrase "Do everything with a good heart" encourages a mindset of kindness, compassion, and sincerity in all one's actions. It suggests that acting from a place of genuine goodness is a rewarding way to live.
The quote goes on to say, "and expect nothing in return," which underscores the idea that performing acts of kindness or generosity without the anticipation of personal gain or recognition is a noble and selfless way to conduct oneself.
The concluding statement, "and you will never be disappointed," suggests that when you do good with a pure heart and without ulterior motives, you won't experience disappointment because your actions are not contingent upon receiving something in return. In essence, this quote promotes a philosophy of altruism and emphasizes that the intrinsic reward of doing good is its own satisfaction, independent of external outcomes or recognition. It encourages a more selfless and fulfilling way of living.