Many believe that happiness is achieved through material wealth. It is true that it gives a temporary sense of well being. A rich person is not someone who has more but someone who desires less. Happiness is the result of total appreciation of all that life gives you at every moment.
Going into silence enables you to manage your thoughts better. You will find there is no need to think so much, that most of the answers you are looking for will come to you, without much effort on your part.