0 the theory that physical factors (= facts or situations) decide how a person behaves, how intelligent they are, etc.: --
I don't think attributing basic aspects of human behaviour entirely to either social conditioning or biological determinism is realistic.
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.