A nation, like a tree, does not thrive well till it is engraffed with a foreign stock.

Knowledge is the only elegance.

You cannot institute, without peril of charlatanism.

Motion or change, and identity or rest, are the first and second secrets of nature: Motion and Rest. The whole code of her laws may be written on the thumbnail, or the signet of a ring.

Speak the affirmative; emphasize your choice by utter ignoring of all that you reject.

Most of the classical citations you shall hear or read in the current journals or speeches were not drawn from the originals, but from previous quotations in English books.

Coal lay in ledges under the ground since the Flood, until a laborer with pick and windlass brings it to the surface. We may well call it black diamonds. Every basket is power and civilization. For coal is a portable climate.