It is questionable if all the mechanical inventions yet made have lightened the day's toil of any human being.
John Stuart MillIt appears, then, to be a condition of a genuinely scientific hypothesis, that it be not destined always to remain an hypothesis, but be certain to be either proved or disproved by.. .comparison with observed facts.
John Stuart MillMost persons have but a very moderate capacity of happiness. Expecting...in marriage a far greater degree of happiness than they commonly find, and knowing not that the fault is in their own scanty capability of happiness.
John Stuart MillEvery opinion which embodies somewhat of the portion of truth which the common opinion omits, ought to be considered precious, with whatever amount of error and confusion that truth may be blended.
John Stuart Mill