_causam afferre_—to quote as a reason; give as excuse.
_iustis de_[1] _causis_—for valid reasons.
_magnae (graves) necessariae causae_—cogent, decisive reasons.
_non sine causa_—on good grounds; reasonably.
_quid causae fuit cur...?_—how came it that...?
_causa posita est in aliqua re_—the motive, cause, is to be found in...
_causa repetenda est ab aliqua re_ (not _quaerenda_)—the motive,
cause, is to be found in...
_multae causae me impulerunt ad aliquid_ or _ut..._—I was induced by
several considerations to...
_causam interponere_ or _interserere_—to interpose, put forward an
argument, a reason.
_praetendere, praetexere aliquid_—to make something an excuse, pretext.
_causam idoneam nancisci_—to find a suitable pretext.
_per causam_ (with Gen.)—under the pretext, pretence of...
_causae rerum et consecutiones_—cause and effect.
_causae extrinsecus allatae_ (opp. _in ipsa re positae_)—extraneous
causes.
_rerum causae aliae ex aliis nexae_—concatenation, interdependence of
causes.
_ex parvis saepe magnarum rerum momenta pendent_—important results are
often produced by trivial causes.
_ex aliqua re nasci, manare_—to originate in, arise from.
_ab aliqua re proficisci_—to originate in, arise from.
_ex aliqua re redundare_ (_in_ or _ad aliquid_)—to accrue in great
abundance.
_utilitas efflorescit ex aliqua re_—untold advantages arise from a
thing.
_e fontibus haurire_ (opp. _rivulos consectari_ or _fontes non
videre_)—to draw from the fountain-head.
_haec ex eodem fonte fluunt, manant_—these things have the same origin.
_fons et caput_ (_vid._ sect. III., note _caput..._)—source, origin.
[1] Notice the order; so regularly _ea_ and _qua de causa_; but _ob
eam causam_ not _eam ob causam_. For the meaning of _iustus_ cf. xvi.
5 _bellum iustum_ and xvi. 10a _praelium iustum_.