They believe in copyleft because they want their software to be used freely by anyone.

The healing power of alcohol / Only works on scrapes and nicks / And not on girls in seedy bars / Who drown themselves in it

Later experience suggested that such wellings up of molten glass from caverns filled with active lava in a period of outflow might be due to sudden generation of steam from cascades of water during torrential rainfall.

Verily, that which is the sunhood of the sun is the eternal real.