"Ianto. Your defenses are currently the best. But your shields are flawed. If I had wanted to... I could force my way into your deeper thoughts. But we can make those shields stronger. Better."

"Gwen... you are the best at paying attention to detail. Right now your mind is clouded with worries and concerns, but once trained your shields would be quite strong."

"Owen... don't dare me to go deeper. You don't know who you are challenging. But your determination is your best defense."

"Tosh, you have the mental discipline is quite strong, and already you have adjusted to stilling your thoughts."

"All of you have the potential to have strong mental shields."