Source.

from Old.French. sourse "a rising, beginning, fountainhead of a river or stream," fem. noun taken from pp. of sourdre "to rise,spring up," from L. surgere "to rise" (see surge). Meaning"written work (later also a person) supplying information or evidence" 

There are only two sources. A source of truth and a source of lies. Truth is simple and easily understood. Complication comes from the father of lies and is meant to confuse.