The Lotus Sutra contains 69,384 shrouds to the Buddhas.

SAJIKI NYOBO GO-HENJI 
(A Response to Lady Sajiki) 

Some believe, that Lady Sajiki was the wife of Indo
Saburozaemon Sukenobu and the mother of Nissho Shonin, one
of the Six Elder Disciples of Nichiren Shonin.   

Acknowledging her offering of a shroud sent from Kamakura,
Nichiren wrote this letter in Minobu on the 25th of the 5th
month in the first year of the Kenji Era (1275), when he was
53 years old. 

"A woman is like water, which fills the shape of its 
container.  A woman is like an arrow, which fits the bow 
that projects it.  A woman is like a vessel, which moves at 
the will of the helmsman.  Therefore, if a woman's husband 
is a thief, she will also be called a thief.  If her husband 
is a king, then she will be a queen.  If a husband is 
virtuous, his wife may attain Buddhahood.  This rationale 
applies not only in the present life but also in future 
lives.  Your husband, Lord Hyoe-no-Saemon, is a practicer of 
the Lotus Sutra.  As his wife, I am sure that the Buddha 
regards you as a practicer of the Lotus Sutra too.  You also 
offered, on your own, a shroud to the Lotus Sutra.  This is 
commendable. 

There are two kinds of practicers of the Lotus Sutra.  Sages 
in the past peeled their own skin to inscribe the Lotus 
Sutra.  Present unenlightened followers who offer their own 
shrouds to the practicer of the Lotus Sutra gain the same 
merit as those who skinned themselves in the past.  The 
Lotus Sutra contains 69,384 shrouds to the Buddhas.  Just as 
a small spark can set ablaze thousands of square miles of 
dry prairie land, the offering of a single shroud will serve 
as an offering to each of the 69,384 Buddhas in the Lotus 
Sutra.  The merit of this will extend not only to yourself 
but also to your parents, grandparents, and countless 
others, including, of course, your own beloved husband. "

Sincerely yours, 
Nichiren