Who said "I planned this for years."?

This quote is attributed to Justice Wargrave.

I planned this for years. - Justice Wargrave

"I planned this for years."

Justice Wargrave Patience

Character in And Then There Were None

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"Murder is justified when the victim deserves it."

"The guilty cannot hide forever."

"Justice must be served."

"Every man and woman is alone."

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."