Richard Siini numuhanzi wicyongereza uhuza disipuline yubukorikori, ubukorikori, igishushanyo no gufotora. Ikoresha cyane cyane umutegetsi no gukata kugirango unyeganyega, uhindure kandi ushushe amashusho yimpapuro zigoye kandi zishimishije. Ati: "Impapuro ni ibikoresho nkunda cyane, kandi byitoza imyaka myinshi. Ni ngombwa kuri njye nshobora kuyobora ibikoresho; Nkora neza mugihe nshobora kwitwara kubikoresho hamwe nuburyo bwitondewe, kandi ndayikoresha nkuburyo bwo kumenya imiterere nshya: impapuro ni nziza kuri ubu buryo. Impapuro ntizishobora guhatirwa ku buryo runaka, ngomba kugirira impuhwe imipaka yacyo, nuko numva ko impapuro zinyobora mu gufungura ibishushanyo. "
- Isoko