There is, in the case of such partially explored regions, more excuse for the delineation of the main features on our maps, as these may be useful in imparting general information of a more or less inexact kind.
— from The Barren Ground of Northern Canada by Warburton Pike

[31] I consider that in an elementary text-book of chemistry, like the present, it is only possible and advisable to mention, in reference to chemical mechanics, a few general ideas and some particular examples referring more especially to gases, whose mechanical theory must be regarded as the most complete.
— from The Principles of Chemistry, Volume I by Dmitry Ivanovich Mendeleyev