In-der-Blog-sein
Masood Mortazavi's Weblog:
Martin Heidegger has effectively said that 'being' is 'being-in-the-world,' and that we're the only being (among the rocks, animals and other inanimate and animate objects that surround us) whose being is a concern for itself. In other words, the lion in the forest may not be so concerned about why it, i.e. the lion, is, but we are. That's what distinguishes us as a being-in-the-world.
Heidegger
compares us to a lizard while sunbathing-on-a-rock:
The lizard basks in the sun. At least this is how we describe what it is doing, although it is doubtful whether it really comports itself in the same way we do when we lie out in the sun, i.e., whether the sun is accessible to it as sun, whether the lizard is capable of experiencing the rock as rock.