Explanation: You start creating a thesis, this is an idea or something in what you want to work to advance the knowledge.
Now that you have an endpoint, you need to support it, the way you do it is by researching, wich may be done by reading books of other authors that studied the subject of your thesis, doing an experiment, or investigating by yourself, because if you don't have material to support your thesis, the thesis has no real value. So the statement is true.
