Amy Waring felt it.

Arthur Merlin felt it.

But not one of them could tell whether Lawrence Newt felt it.

There was a vague consciousness of something which nearly concerned them all, but not one of them could say precisely what it was--except, possibly, Amy Waring; and except, certainly, Lawrence Newt.
For Aunt Martha's question had drawn from Amy's lips what had lain literally an unformed suspicion in her mind, until it leaped to life and rushed armed from her mouth.

Amy Waring saw how beautiful Hope Wayne was.
She knew how lovely in character she was.