If the aquarium is placed where it receives insufficient daylight, artificial lighting by means of ordinary incandescent lamps should be employed. For good plant growth 2 decalumens of luminous flux per square decimetre of water surface […]

When simple verbs redouble the preterite, the compounds drop the first syllable, as: Pello, pĕpŭli, to drive away, to beat back; Repello, rĕpŭli, and not rĕpĕpŭli, to drive back, to repel.

This Universe has its Laws. If we walk according to the Law, the Law-Maker will befriend us; if not, not.

Some positive, persisting fops we know, That, if once wrong, will needs be always so.