"There are various ways one can develop mental concentration. When you successfully reach a concentrated mental state the realm “free from all ideas and thoughts” will be opened to you, even though it might be for only one or two seconds. This does not mean that you neither think nor feel in those moments. This realm is purely clean and bright, transparent everywhere, and filled with limitless wisdom. No matter how short the moment is, you can touch the eternally existing clean and bright world and feel that the entire universe exists within that brief period."