The Kingdom of God is Within You by Leo Tolstoy Chapter 12 Page 215

If you do so, you will be doing the best thing possible. But it may happen, and it is most likely, that you will not have the strength to do so. You have relations, a family, subordinates and superiors; you are under an influence so powerful that you cannot shake it off; but you can always recognize the truth and refuse to tell a lie about it.

You need not declare that you are remaining a landowner, manufacturer, merchant, artist, or writer because it is useful to mankind; that you are governor, prosecutor, or tzar, not because it is agreeable to you, because you are used to it, but for the public good; that you continue to be a soldier, not from fear of punishment, but because you consider the army necessary to society. You can always avoid lying in this way to yourself and to others, and you ought to do so; because the