People are only influenced in the direction in which they want to go, and influence consists largely in making them conscious of their wishes to proceed in that direction.
For legislators make the citizens good by forming habits in them, and this is the wish of every legislator, and those who do not effect it miss their mark, and it is in this that a good constitution differs from a bad one.
You have, let us say, a promising politician, a rising artist that you wish to destroy. Dagger or bomb are archaic, clumsy and unreliable - but teach him, inoculate him with chess.
Slavery, you know, is nothing else than the unwilling labor of many. Therefore to get rid of slavery it is necessary that people should not wish to profit by the forced labor of others and should consider it a sin and a shame. But they go and abolish the external form of slavery and arrange so that one can no longer buy and sell slaves, and they imagine and assure themselves that slavery no longer exists, and do not see or wish to see that it does, because people still want and consider it good and right to exploit the labor of others.
If you wish to assured of the truth of Christianity, try it. Believe, and if thy belief be right, that insight which gradually transmutes faith into knowledge will be the reward of thy belief.