Quote by Mill, John Stuart
"The mental faculties are improved by use or deteriorated by disuse like all other faculties."
More from Mill, John Stuart
"Actions are right in proportion as they tend to promote happiness, wrong as they tend to produce the reverse of happiness."
"It is better to be Socrates dissatisfied than a fool satisfied."
"The only freedom which deserves the name is that of pursuing our own good in our own way."
"He who knows only his own side of the case knows little of that."