Quote from kandlekid:
I think it's very possible to make sound business decisions, be profitable and not be "ruthless". But it seems that the most successful (at least temporarily), are in fact, ruthless. May G-d have mercy on them. Mercy that they've not shown others.
Quote from nutmeg:
Having or showing no pity or compassion for others.
Synonyms
merciless - pitiless - cruel - unmerciful - remorseless