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 county.

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

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.

Degree is much: the whole Atlantic might be lukewarm and never boil us a potato.

We despair of changing the habits of men, still we would alter institutions, the habits of millions of men.

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

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