The Question and Answer section for Merchant of Venice is a great resource to ask questions, find answers, and discuss the novel.
"Shylock, albeit I neither lend nor borrow
By taking nor by giving of excess,
Yet to supply the ripe wants of my friend,
I’ll break a custom."
Antonio's personal policy is to never lend or borrow with interest
I'm thinking this has nothing to do with Merchant of Venice. You need to elaborate about your question.
Protia says this to Morocco about the choosing the caskets. Portia says that she cannot choose her own marriage so the casket choice, "is the lottery of her destiny." Her "winning" will be the man that chooses the correct casket.