0 said to mean that if you see something yourself, you will believe it to exist or be true, despite the fact that it is extremely unusual or unexpected: --
1 if you see something yourself, you will believe it to exist or be true, despite the fact that it is unlikely: --
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.