"For many years, I thought I'd made no real, lasting difference on the village," he said.
It works with local communities, organisations and governments to make a lasting difference to children's lives.
This approach makes a lasting difference for wildlife and its habitat:
"They don't have enough storage volume to make a lasting difference."
Here are excerpts: Have any individuals really made a major, lasting difference to the course of science?
The debate was to mark a lasting difference between East and West.
But will it make a lasting difference to Afghanistan after the foreign troops have gone?
I needed peace, time, to find out whether the monastery had made any lasting difference in my control.
It is the kind of area where the Gates foundation could make a lasting difference.
National Foster Care Month is a time to make a lasting difference in a child's life.