NiSe- YouTube ( In order to understand Ni, it is first necessary to understand INFJ’s inferior function, Extraverted Sensing (Se). For INFJs, Se functions subconsciously and is constantly gathering copious amounts of sensory information from the environment. Meanwhile, their Ni is constantly working to process and synthesize this incoming data, like assembling pieces of a puzzle. Eventually, it manages to construct an impression or vision of what is happening.)

NeSi- YouTube (what a beautiful and perfect example of NeSi, it's a perfect example of NeSi)