We never can tell how our lives may work to the account of the general good, and we are not wise enough to know if we have fulfilled our mission or not.

You cannot make women contented with cooking and cleaning and you need not try.

For this knowledge of right living, we have sought a new name... . As theology is the science of religious life, and biology the science of [physical] life ... so let Oekology be henceforth the science of [our] normal lives ... the worthiest of all the applied sciences which teaches the principles on which to found... healthy... and happy life.

...all enjoyment is dependent upon the frailty of human life and human desires ... if we were to have all we want and to live forever, all enjoyment would be gone.

If it is a relief to take your clothes off at night, be sure that something is wrong. Clothes should not be a burden. They shouldbe a comfort and a protection.

The most conventional customs cling to the table. Farmers who wouldn't drive a horse too hard expect pie three times a day.

It is cruelty to children to keep five-year-olds sitting still, gazing into vacancy even for one hour at a time. We have little idea of the torture we thus inflict.