0 the area above the earth, in which clouds, the sun, etc. can be seen: --
1 the area above the earth in which clouds, the sun, and the stars can be seen: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Môžeme to dokončiť krok za krokom, nech je cesta akokoľvek dlhá a nedá sa dokončiť, nech je cesta akokoľvek krátka, ak si ani neoznačíte svoju stopu.