Singlemindedness is all-powerful. Autore: Yamamoto Tsunetomo Copy Quote More from Yamamoto Tsunetomo “When one is writing a letter, he should think that the recipient will make it i…” “If a warrior is not unattached to life and death, he will be of no use whatsoev…” “There is something to be learned from a rainstorm. When meeting with a sudden s…” “If one is but secure at the foundation, he will not be pained by departure from…”