The growth of property and ...

The growth of property and the desire for its transmission to children was, in reality, the moving power which brought in monogamy to insure legitimate heirs, and to limit their number to the actual progeny of the married pair.
The growth of property and the desire for its transmission to children was, in reality, the moving power which brought in monogamy to insure legitimate heirs, and to limit their number to the actual progeny of the married pair.
 Lewis Henry Morgan

More phrases

If one does not know to which port one is sailing, no wind is favorable.
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
We are masters of the unsaid words, but slaves of those we let slip out.
I have always found that mercy bears richer fruits than strict justice.
A lie gets halfway around the world before the truth has a chance to get its pants on.

Quotes from the same author

Centralize property in the hands of a few and the millions are under bondage to property - a bondage as absolute and deplorable as if their limbs were covered with manacles. Abstract all property from the hands of labor and you thereby reduce labor to dependence; and that dependence becomes as complete a servitude as the master could fix upon his slave.
 Lewis Henry Morgan