0 a situation or statement that seems impossible or is difficult to understand because it contains two opposite facts or characteristics -- 自相矛盾的情況;似非而是的說法,悖論;詭論
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.
再长的路,一步步也能走完,再短的路,不迈开双脚也无法到达。