The significant fact is this: No Bene Tleilax female has ever been seen away
from the protection of their core planets. (Face Dancer mules who simulate fe
males do not count in this analysis. They cannot be breeders.) The Tleilaxu
sequester their females to keep them from our hands. This is our primary dedu
ction. It must also be in the eggs that the Tleilaxu Masters conceal their mo
st essential secrets.

-Bene Gesserit Analysis -- Archives #XOXTM99 ..... 041