Whatever we personally learn, through declarative knowledge, nondeclarative knowledge or their respective pathways pathways, becomes our unique stock of personal knowledge. Personal knowledge accounts for the some of two nodes of the knowledge triangle

Our personal knowledge can act like a prism, influencing how we understand and act in the world at the perceptual level, and is usually some small fraction of all public knowledge and culture.

It is very important to work on personal knowledge, and it is usually done through a vast number of methods, however one key method is to use a Personal Knowledge Management (PKM), which is what this Obsidian is.