"In the case of any person whose conduct affects prejudicially the interests of others, there is no room for the argument that he should be allowed to do as he likes, because it is his own affair."

"Bad men need nothing more to compass their ends, than that good men should look on and do nothing."

"All errors which are likely to do harm, are the proper objects of animadversion, and may be justly censured."

"The only security against total error is discussion."

"The only freedom, which consists in doing what one likes, is that of doing what one ought to like."