0 a note on or explanation of an academic or literary text, written by someone who has studied it: --
The third edition contained another feature, a scholium to Problem 5.
The commentaries consist chiefly of scholia and expositions of the classic text.
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.
Можем да го завършим стъпка по стъпка, колкото и дълъг да е пътят и не може да бъде завършен, колкото и кратък да е пътят, ако дори не маркирате отпечатъка си.