When people who are tolerably fortunate in their outward lot do not find in life sufficient enjoyment to make it valuable to them,the cause generally is.caring for nobody but themselves.

• 有些人外在的运命相对不如人意，无法发现足够的乐趣来使他们的生活富有意义，但个中原因通常是他们只专注于自我而不在乎他人。