Although principium is Latin for beginning, principis means prince or leader.    From Wordnik.com.  [Cracking the Shakespeare Code - The Lede Blog - NYTimes.com] Reference

Comte -- 'hinc omne principium, huc refer exitum.'.    From Wordnik.com.  [The Quarterly Review, Volume 162, No. 324, April, 1886] Reference

And principium can meaning either beginning or principle.    From Wordnik.com.  [Archive 2008-04-01] Reference

The point is the principium of the line, but not its cause.    From Wordnik.com.  [The Political Ideas of St. Thomas Aquinas] Reference

Speaking of clues, “principium” is misspelled in the painting.    From Wordnik.com.  [Cracking the Shakespeare Code - The Lede Blog - NYTimes.com] Reference

Note 274: Egidius Romanus, De regimine principium (I.V. #200, 248).    From Wordnik.com.  [Architecture and Memory: The Renaissance Studioli of Federico da Montefeltro] Reference

To describe this principium of poetry Longinus used the word hypsous.    From Wordnik.com.  [Sounds Romantic: The Castrato and English Poetics Around 1800] Reference

Graecia principium moris fuit; illa nocentes impia lustratos ponere facta putat.    From Wordnik.com.  [The Legacy of Greece Essays By: Gilbert Murray, W. R. Inge, J. Burnet, Sir T. L. Heath, D'arcy W. Thompson, Charles Singer, R. W. Livingston, A. Toynbee, A. E. Zimmern, Percy Gardner, Sir Reginald Blomfield] Reference

The principium essendi of this truth, if I may so say, is in the decrees and purposes of.    From Wordnik.com.  [The Doctrine of the Saints��� Perseverance Explained and Confirmed] Reference

The principium quod, — that which operates, which is both natures distinctly considered. 3dly.    From Wordnik.com.  [Of Communion with God the Father, Son and Holy Ghost] Reference

Desiderium optantis, amor eorum quibus fruimur; amoris principium, desiderii finis, amatum adest.    From Wordnik.com.  [Anatomy of Melancholy] Reference

This is the sense in which it is used by St. Thomas in the treatment of natural law; in this sense it is usually called primum principium.    From Wordnik.com.  [The Political Ideas of St. Thomas Aquinas] Reference

"Flagitii principium est, nudare inter cives corpora.".    From Wordnik.com.  [Studies in the Psychology of Sex, Volume 6 Sex in Relation to Society] Reference

Tecum principium in die virtutis tuae (soprano) 3: 10 16.    From Wordnik.com.  [AvaxHome RSS:] Reference

Ergo per commune aliquod principium, & subiectum, insunt.    From Wordnik.com.  [The Sceptical Chymist or Chymico-Physical Doubts & Paradoxes, Touching the Spagyrist's Principles Commonly call'd Hypostatical; As they are wont to be Propos'd and Defended by the Generality of Alchymists. Whereunto is præmis'd Part of another Discourse relating to the same Subject.] Reference

First, To explain the principium individuationis, or principle of identity.    From Wordnik.com.  [A treatise of human nature] Reference

Ea siquidem Causà prima putanda omnibus est, vnde motus principium existit.    From Wordnik.com.  [The Mathematicall Praeface to Elements of Geometrie of Euclid of Megara] Reference

O magical, sympathetic, 'anima! principium hylarchicum! rationes spermaticae!'.    From Wordnik.com.  [Literary Remains, Volume 1] Reference

Est autem eius definitio hoc modo: "natura est motus principium per se non per accidens.".    From Wordnik.com.  [The Theological Tractates and The Consolation of Philosophy] Reference