Sentence:  "I <WSD>play to win</WSD>. I am playing for human lives. This, sir, is the torture, marks of which you have seen on the prisoners; but your inexperience will not detect at a glance all the diabolical ingenuity and cruelty that lurks in this piece of linen and these straps of leather." 
Meaning of the word marked with <WSD> tags:  To make a special, determined effort to achieve general success or a particular goal, in life, in one's career, in negotiation, etc.