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

Ignorance may find a truth on its doorstep that erudition vainly seeks in the stars..

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..

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

Doubt is the beginning, not the end, of wisdom..

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

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 gui….

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..

No gun is perfectly true. So the marksman, that he may hit the bull's-eye, points elsewhere..

Dumbness and silence are two different things..

Ten builders rear an arch, each in turn lifting it higher; but it is the tenth man, who drops in the keystone, who hears our huzzas..

Let truth be a banner big enough to hide the man who holds it up..

A tree nowhere offers a straight line or a regular curve, but who doubts that root, trunk, boughs, and leaves embody geometry?.

Boundaries which mark off one field of science from another are purely artificial, are set up only for temporary convenience. Let chemists and physic….

Error held as truth has much the effect of truth. In politics and religion this fact upsets many confident predictions..

Nature is full of by-ends. A moth feeds on a petal, in a moment the pollen caught on its breast will be wedding this blossom to another in the next c….

A calculating engine is one of the most intricate forms of mechanism, a telegraph key one of the simplest. But compare their value..

A superstition is a premature explanation that overstays its time..

Truth is better disengaged from error than torn from it..

Evolution pays and that is why there is evolution.