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.

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

They will listen with both ears to what is said by the men just a step or two ahead of them, who stand nearest to them, and within arm's reach. A guide ceases to be of any use when he strides so far ahead as to be hidden by the curvature of the earth.

A man's own addition to what he learns is cement to bind an otherwise loose heap of stones into a structure of unity, strength, and use.

When a learner, in the fullness of his powers, comes to great truths unstaled by premature familiarity, he rejoices in the lateness of his lessons.

When we try to imagine a chaos we fail. ... In its very fiber the mind is an order and refuses to build a chaos.