“Kung hindi mo kayang linisin ang kapaligiran, huwag mo na lang dumihan,”

or, if you can’t clean the surroundings, don’t make it dirty then.

The sign is repeated in several waiting sheds along the streets of the city.

Manila [2017]

Developing entity in social evolution is not the individual, but culture. Culture is the result of the social interaction of learning individuals, the result of a collective learning process.

– Klaus Eder in “Learning and the Evolution of Social Systems.”