"Give strict order that all men, even the samurai, carry guns." quote  from Asano Yoshinaga 浅野幸長 to Asano Nagamasa 浅野長政, 1st moon, 11th day, Keicho 3 (1598) KNKS, vol.10. p.379 — "The Impact of Firearms on Japanese Warfare, 1543-98" by Delmer M. Brown. jstor

There is a saying that "Oda Nobunaga made the pie, Hideyoshi baked the pie and Ieyasu ate the pie," however, according to our genius L, there is just NO such PIE.—–course note