input: [RACE.] 5. Race undergoes necessarily a series of transformations. In regular order the different steps of age succeed each other. After youth follows old age, as death follows birth. No one, who lives long, can avoid this evolution, which is independent of him as a power of nature. [INDIVIDUAL.] 
output: 5. The individual mind remains essentially the same from childhood to old age. A youthful individual mind remains young, although the hair may be white; while an oldish mind is old, even in childhood. The individual develops himself by his work. His works are like himself.