“If only. The saddest two words in any language.”
“Gone. The saddest word in the language. In any language.”
“If only…the saddest words in the English language.”
“If only. -- You got to admit, standing alone those words are pretty awful, but married together like that, they must be two of the saddest in the English language.”
“If only. Those must be the two saddest words in the world.”
“Regret; The saddest word in the English language.”