The Manager. I believe there is no right or best way to solve the issue. Ask, think and decide. And see if the decision is working. There is no problem if the decision is mistaken, the problem appears if there is no correction of the mistaken decision. The Engineer. I believe knowledge is the force. A permanent evolvement is always a good approach. It opens a variety of ways of thinking. And it helps to use the experience of humankind. The Scientist. I believe there is always a new, my own way for any solution. And it's important to spread the knowledge.