With regard to the duration of human life, there does not appear to have existed from the earliest ages of the world to the present moment the smallest permanent symptom or indication of increasing prolongation.
Thomas MalthusThe constant effort towards population, which is found even in the most vicious societies, increases the number of people before the means of subsistence are increased.
Thomas MalthusHard as it may appear in individual instances , dependent poverty ought to be held disgraceful.
Thomas Malthus