August Krogh

It is no doubt technically possible to study metabolism and respiration of fishes during swimming at a constant rate, and of certain insects and birds during flight, and to obtain information similar to that obtained on man during work on a bicycle ergometer or a treadmill.

Webs are made mostly of spaces. They break easily. They barely exist. They belong to the category of half-things: mist, smoke, shrouds, ghosts, membranes, retinas or rags; and they quickly fill up with un-things: old legs and wings and heads and hollow abdomens and body bags of wasps.

No matter where you are, the root of you is designed from a young age. So if my confidence was taken as a child, you can gain back a lot of the confidence, but that root of the cavity will still be there.