"We have always thought it a grave initial misfortune to have lost half our little world.

Perhaps that is one reason why we have so striven for conscious improvement." "But acquired traits are not transmissible," Terry declared.

"Weissman has proved that." They never disputed our absolute statements, only made notes of them.
"If that is so, then our improvement must be due either to mutation, or solely to education," she gravely pursued.

"We certainly have improved.
It may be that all these higher qualities were latent in the original mother, that careful education is bringing them out, and that our personal differences depend on slight variations in prenatal condition." "I think it is more in your accumulated culture," Jeff suggested.

"And in the amazing psychic growth you have made.