Why did Father Faria regret helping Dantés understand that Caderousse, Danglars and Fernand plotted to destroy the life of Dantés? Provide a quote(s) {22}

From the text:

“I regret now,” said he, “having helped you in your late inquiries, or having given you the information I did.”

“Why so?” inquired Dantès.

“Because it has instilled a new passion in your heart—that of vengeance.”