Don't even think about making some noble self-sacrificing gesture.
They were extremely decent, self-sacrificing parents who paid for me and my brother to go to school.
We elect self-sacrificing people who put the welfare of the community ahead of personal advancement.
To sum up, the conventional understanding of market relationships can be expressed by two oppositions: market/social and self-regarding/ self-sacrificing.
To so violate the terms of the nurturing, self-sacrificing womanly ideal would make her monstrous.
In this sense, other-regarding preferences are necessarily self-sacrificing.
These organizations are able to get high-quality labour at low wages, not because their low wages select workers with self-sacrificing preferences, but because of cross-subsidization.
We have, however, idealized fictional accounts of the emotional ties between siblings and the sense of friendship and love that can motivate self-sacrificing behavior.