The Question and Answer section for Through the Looking Glass is a great resource to ask questions, find answers, and discuss the novel.
The White Knight might be considered a stock character.
This is personification.... turning white or getting pale from fear.... white as a sheet!
`Never mind!' Alice said in a soothing tone, and stooping down to the daisies, who were just beginning again, she whispered, `If you don't hold your tongues,...