It is well for the world that in most of us, by the age of thirty, the character has set like plaster, and will never soften again.
This quote suggests that by the age of thirty, most people's personalities and characters have become fixed and unchangeable, much like plaster sets and hardens. This idea is not necessarily optimistic, implying that personal growth and development may be limited after a certain age.
The quote highlights the idea that people's characters are shaped by their experiences and environment, and that this shaping process can be irreversible. It also implies that people may not be able to change their fundamental nature, even if they try.
William James was an American philosopher and psychologist who lived from 1842 to 1910. He was a prominent figure in the development of pragmatism, a philosophical movement that emphasizes the importance of practical experience and experimentation.
William James was born in New York City and grew up in a wealthy family. He studied at Harvard University and later became a professor there. He was known for his charismatic personality and his ability to communicate complex ideas in a clear and engaging way.
This quote can be applied to personal development and self-improvement. It suggests that people should focus on developing their character and personality while they are still young, as this may be the best time to make lasting changes. It also implies that people should be mindful of the influences that shape their character, and try to make conscious choices about the kind of person they want to become.
Some critics have argued that James' idea that people's characters are fixed by the age of thirty is overly pessimistic, and that personal growth and development are possible at any age. Others have criticized James' emphasis on individualism and his lack of attention to social and economic factors that shape people's characters.