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

Discovery begins by finding the discoverer.

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

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.

Nothing cools so fast as undue enthusiasm. Water that has boiled freezes sooner than any other.

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.

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.