Boas yɛ hakilina dɔ yira fɔlɔ saan 1887: "...sivilizaciɔn tɛ fɛn djɔlɛn yɛ, ga a bɛ yɛlɛma, ani an ga halinaw ani an ga famuyaw ye tiɲɛw ye fɔ ka ta sɛ an ga sivilizatiɔn ma."