Top Efficacy Quotes

Media work needs ideals. Maybe thirty years from now, after I retire, I'll see the media mature and make the transition from political party, interest group, and corporate to truly public. But over th...

Monsters that live under children's beds have power only because of the child's ignorance. Thus the nonexistent becomes efficacious.

Efficacy Definition

(n.) Power to produce effects; operation or energy of an agent or force; production of the effect intended; as, the efficacy of medicine in counteracting disease; the efficacy of prayer.