stay hungry, stay foolish

"We need a combination of confidence and of curiosity. It is a form of deep-seated opportunism that goes to the core of our nature and is very optimistic. I haven't been killed by my foolishness yet, so let's keep going, let's take chances. The phrase expresses that our knowledge is always incomplete, and that we have to be willing to act on imperfect knowledge. That allows you to open your mind and explore. It means putting aside the explanations provided by social constructs and ideologies."