And who can say that some of the vast periods which geology discloses may not have been commensurate with those intervening between catastrophes among the heavenly bodies as the result of the universal resisting ether?
— from The Religion of Geology and Its Connected Sciences by Edward Hitchcock

The rules of the university required each student, at the beginning of his course, to choose a preceptor, a sort of guardian who should direct his charge in his studies and counsel him in his personal life and conduct.
— from Hymns and Hymnwriters of Denmark by J. C. (Jens Christian) Aaberg