Stoics were concerned with the active relationship between cosmic determinism and human freedom , and the belief that it is virtuous to maintain a will -LRB- called prohairesis -RRB- that is in accord with nature .

It concerns the active relationship between cosmic determinism and human freedom , and the belief that it is virtuous to maintain a will -LRB- called prohairesis -RRB- that is in accord with nature .
