The byproduct is sometimes more valuable than the product. - Havelock Ellis

One can know nothing of giving aught that is worthy to give unless one also knows how to take.

The greatest task before civilization at present is to make machines what they ought to be, the slaves, instead of the masters of men.

The family only represents one aspect, however important an aspect, of a human being's functions and activities...A life is beautiful and ideal, or the reverse, only when we have taken into our consideration the social as well as the family relationship.