Over-population is a phenomenon connected with the survival of the unfit, and it is a mechanism which has created conditions favourable to the survival of the unfit and the elimination of the fit.

To become a popular religion, it is only necessary for a superstition to enslave a philosophy.

All human love is a holy thing, the holiest thing in our experience.

The modern world belongs to the half-educated, a rather difficult class, because they do not realize how little they know.

Joy is the triumph of life; it is the sign that we are living our true life as spiritual beings.

The aim of education is the knowledge, not of facts, but of values.

The command, 'Be fruitful and multiply', was promulgated, according to our authorities, when the population of the world consisted of two persons.