A superstition is a premature explanation that overstays its time.

Educated folk keep to one another's company too much, leaving other people much like milk skimmed of its cream.

Is any knowledge worthless? Try to think of an example.

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.

Truth is better disengaged from error than torn from it.

Form may be of more account than substance. A lens of ice will focus a solar beam to a blaze.

Some young folks have wind-fall minds, prematurely detached from the tree of knowledge for a life-long sourness and pettiness.