Sakya Pandita - Conceptual and Non-conceptual Mind 

The Treasury of Valid Reasoning, chapter 4



དབང་ཤེསལྐུགས་པམིག་ཅནའདྲ། །

རྟོག་པལོང་བསྨྲ་མཁསའདྲ། །


The sense consciousnesses are like a dumb person who can see.

And conceptual mind is like a blind person who can talk.