An advocate can be very eloquent when a cause is eloquent in itself
 Honoré de Balzac, Colonel Chabert (1832). copy citation

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Author Honoré de Balzac
Source Colonel Chabert
Topic advocate cause
Date 1832
Language English
Reference
Note Translated by Ellen Marriage and Clara Bell
Weblink https://en.wikisource.org/wiki/Colonel_Chabert

Context

“Do you suppose I want to lose so valuable a client as you are?—But you are not listening." "Nay, speak on, monsieur," said she graciously. "Your fortune came to you from M. le Comte Chabert, and you cast him off. Your fortune is immense, and you leave him to beg. An advocate can be very eloquent when a cause is eloquent in itself; there are here circumstances which might turn public opinion strongly against you." "But, monsieur," said the Comtesse, provoked by the way in which Derville turned and laid her on the gridiron, "even if I grant that your M.” source