His letter, preserved by the imperial biographer, Eusebius of Caesarea, is a state document inspired by a wisely conciliatory policy; it made out both parties to be equally in the right and in the wrong, at the same time giving them both to understand that such questions, the meaning of which would be grasped only by the few, had better not be brought into public discussion; it was advisable to come to an agreement where the difference of opinion was not fundamental.
The distinction between heretics and schismatics was preserved because it prevented a public denial of the old principles, because it was advisable on political grounds to treat certain schismatic communities with indulgence, and because it was always possible in case of need to prove heresy against the schismatics."(Harnack's History of Dogma, ii.
It is also advisable to wash all woodwork and gangways annually with a weak solution of formalin, or other inodorous germicide.
In treating an actual and present attack of asthma, it is advisable to give the standardized tincture of belladonna - unless expense is no consideration, in which case atropine may itself be used - in doses of twenty minims every quarter of an hour as long as no evil effects appear.
It is largely for the latter reason that it seems advisable to begin with an account of the German towns, the term German to correspond to the limits of the old kingdom of Germany, comprising the present empire, German Austria, German Switzerland, Holland and a large portion of Belgium.