Piet Hein: astro-gymnastics
Go on a starlit night, stand on your head,
leave your feet dangling outwards into space,
and let the starry firmament you tread
be, for the moment, your elected base.
Feel Earth’s colossal weight of ice and granite,
of molten magma, water, iron, and lead;
and briefly hold this strangely solid planet
balanced upon your strangely solid head.
The translation really is a bit miserable. Here is the danish original: