(종의 기원 1872 Charles Darwin)https://en.wikisource.org/wiki/The_Origin_of_Species_(1872)/Chapter_XV - In the future I see open fields for far more important researches. Psychology will be securely based on the foundation already well laid by Mr. Herbert Spencer, that of the necessary acquirement of each mental power and capacity by gradation. Much light will be thrown on the origin of man and his history.
