From another post on "theocratic war strategy"
*** w57 5/1 285 Use Theocratic War Strategy ***
Use Theocratic War Strategy
Perhaps some will wonder as to where the line is to be drawn between use of theocratic war strategy in hiding the truth and the telling of lies. First of all, let it be noted that whenever one takes an oath to tell the truth he is obligated to do so.
Lies are untruths told for selfish reasons and which work injury to others. ..... But hiding the truth, which he is not entitled to know, from an enemy does not harm him, especially when he would use such information to harm others who are innocent.
A great work is being done by the witnesses even in lands where their activity is banned. ...... So in time of spiritual warfare it is proper to misdirect the enemy by hiding the truth. It is done unselfishly; it does not harm anyone; on the contrary, it does much good.
Today God’s servants are engaged in a warfare, a spiritual, theocratic warfare, a warfare ordered by God against wicked spirit forces and against false teachings. God’s servants are sent forth as sheep among wolves and therefore need to exercise the extreme caution of serpents so as to protect properly the interests of God’s kingdom committed to them. At all times they must be very careful not to divulge any information to the enemy that he could use to hamper the preaching work.
[Footnotes]
For details see The Watchtower, February 1, 1956.
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38 It is proper to cover over our arrangements for the work that God commands us to do. If the wolfish foes draw wrong conclusions from our maneuvers to outwit them, no harm has been done to them by the harmless sheep, innocent in their motives as doves. The action is not out of a liar’s hatred. “He that hideth hatred is of lying lips; and he that uttereth a slander is a fool. A lying tongue hateth those whom it hath wounded.”—Prov. 10:18; 26:28, AS.
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41 Serpentlike caution is to be exercised only while the sheep are among wolves or in contact with them. Jesus did not advise this among the congregation of Jehovah’s people, for all of these are sheep. So it is as much a rule for spiritual Israel of today as it was for natural Israel of old: “You people must not steal and you must not deceive and you must not lie any one to his associate. And you must not swear in my name to a lie, so that you do profane the name of your God. I am Jehovah.” (Lev. 19:11, 12, NW) In these days since A.D. 1919 when Jehovah has restored the remnant of spiritual Israel and their dedicated companions to his pure worship, his prophetic instructions are: “These are the things that ye shall do: Speak ye every man the truth with his neighbor; execute the judgment of truth and peace in your gates; and let none of you devise evil in your hearts against his neighbor; and love no false oath: for all these are things that I hate, saith Jehovah.” (Zech. 8:3, 16, 17, AS) The apostle Paul himself applies these words to sanctified Christians, the “Israel of God.”—Eph. 4:25; Gal. 6:16.