The only kinds of courage and honesty which are permanently useful to good institutions anywhere are those shown by men who decide all cases with impartial justice on grounds of conduct and not on grounds of class.
 Theodore Roosevelt, Theodore Roosevelt; an Autobiography (1913). copy citation

Context

“The sins against labor are usually committed, and the improper services to capitalists are usually rendered, behind closed doors. Very often the man with the moral courage to speak in the open against labor when it is wrong is the only man anxious to do effective work for labor when labor is right. The only kinds of courage and honesty which are permanently useful to good institutions anywhere are those shown by men who decide all cases with impartial justice on grounds of conduct and not on grounds of class. We found that in the long run the men who in public blatantly insisted that labor was never wrong were the very men who in private could not be trusted to stand for labor when it was right. We grew heartily to distrust the reformer who never denounced wickedness unless it was embodied in a rich man.” source