"There are shadows in the darkness, but people cannot discern them. There are trails in the sky where birds fly, but people cannot recognize them. There are paths in the sea along which fish swim, but people cannot perceive them."
[An Outline of the "Entrustment" and Other Chapters
WND p916]
http://www.nichirenlibrary.org/en/wnd-1/Content/119#para-20
In the similar token,
1. Buddhahood exists in all common mortals but we do not see it readily.
2. Though we cannot see electromagnetic waves, they exist and allow us to transmit and receive radio/TV signals, and communicate via handphone, WIFI / bluetooth signals operate wireless devices. Similarly, invoking "Nam-myoho-renge-kyo" sends out a signal to activate the protective functions in the universe that work our prayers.
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