In his presentation, Herman van Hooff, director of the host organization, provided an overview of the World Heritage Convention, highlighting that the major aim of this standard-setting instrument, which dates back to 1972, is to cover, in one single document, the concepts of cultural preservation and natural conservation.

UNESCO: MEDIA SERVICES

The joy of this man, however, lies less in these starry speculations than in the way he loved to apply observation of the natural or mechanical world to deeper and more difficult concepts.

ECONOMIST: English poets

Of course, natural languages use different sounds and marks to express the same concepts.

FORBES: Morality: Nature or Culture?