This is the subtitle from an interesting book: A Universe From Nothing written by the well known scientist Lawrence M Krauss.
He writes in his book how it is the natural way of things that from nothing something/matter comes into being.
Particles pop out of existence all the time and then they surface again. It is a strange state that has been detected by quantum mechanica measurements. They are called virtual particles. Virtual particles are manifestations of a basic property of quantum systems. And these virtual particles can in the end become real particles and thus matter.
The book is clearly written and tells you why we live in a universe with matter and how something can come from nothing. You can also find on youtube seminars given by Lawrence M. Krauss where he explains how this is possible.
If you are interested in how our universe came into being and how it developed, this is one is highly recomendable. (beside Stephen Hawking) This book will give a clear answer to your question.