Altruism is necessarily self-serving. One cannot sincerely try to help another without helping oneself.
Wolves are prosocial and altruistic, putting the needs of the entire pack before their own.
Altruism is about delayed recognition. The greatest pleasure known is to do a good action by stealth and have it found out by accident.
Altruism is the opposite of self-interest in that it logically implies a view of men not as individuals pursuing what is best for them, but as sacrificial animals, as victims and parasites.
Altruism is that erroneous notion upon which a false ethics is erected, buttressed by religion and mythological monsters whose shadow falls across even physics and the entire perception of the world.
Altruism is the morality of the world, just as egoism is its moving force. These two contradictory instincts , of which one is so plain and the other so mysterious, cannot serve us unless in the incomprehensible alliance of their irreconcilable antagonism.