A calculating engine is one of the most intricate forms of mechanism, a telegraph key one of the simplest. But compare their value.
Educated folk keep to one another's company too much, leaving other people much like milk skimmed of its cream.
Nothing cools so fast as undue enthusiasm. Water that has boiled freezes sooner than any other.
Boundaries which mark off one field of science from another are purely artificial, are set up only for temporary convenience. Let chemists and physicists dig deep enough, and they reach common ground.
Form may be of more account than substance. A lens of ice will focus a solar beam to a blaze.