dug into, as for ores, coal, etc. Used figuratively in the lecture. And to get a fourteen-
point IQ rise as an
average across a
group which contains a
lot of people who have been mined,
plumbed,
sifted and
IQ risen practically out of this
world, is utterly fantastic.
-Man's Search and Scientology's Answer (4 July 1957) dug into, as for ores, coal, etc. Used figuratively in the lecture.