Herbert Spencer wa bowotǝa nǝm-nguwu jamye fulutuwaye Francis Galton's ne dǝaye kǝla fasarin nzǝa kǝla letǝǝram karnoye, banazǝyin lamar sǝrrai ilmuwa kǝla-furummaye, awo doy kǝrmai-dunoye ya, nǝm-guwu fulutǝa, nǝm-Dawinna samma sowa asuziyin.