One ungrateful person does an injury to all needy people.
I've been very blessed in my personal life and in my career and I have never been ungrateful for what I have.
Ungrateful people breed negativity. No one gets any pleasure from giving to an ungrateful person. When you show appreciation, the object of your attention blossoms and flourishes.
When you meet an ungrateful person, be great. The moment you become great, you will become fulfilled. There is no other secret. Nothing else will give you fulfillment.
A grateful person is rich in contentment. An ungrateful person suffers in the poverty of endless discontentment.
Do not be angry with an ungrateful person; probably they are confused or inexperienced.
You'll never meet a happy ungrateful person, or an unhappy grateful person because gratitude and happiness go together. Sometimes happiness precedes gratitude but often gratitude precedes happiness. The latter is achieved by realising things could be worse but aren't and so feeling relieved, grateful and happy.
Often our good deeds make enemies for us, and the ungrateful person despises us on two counts; for he is not only unwilling to acknowledge the gratitude he owes us: he does not want to have his benefactor as witness to his thankless behavior.
You'll never see a happy ungrateful person.
He who does a kindness to an ungrateful person, sets his seal to a flint and sows his seed upon the sand; on the former he makes no impression, and from the latter finds no product.
or simply:
