The whole family of pride and ignorance are incestuous, and mutually beget each other

The highest knowledge can be nothing more than the shortest and clearest road to truth; all the rest is pretension, not performance, mere verbiage and grandiloquence, from which we can learn nothing.

For all the practical purposes of life, truth might as well be in a prison as in the folio of a schoolman; and those who release her from her cobwebbed shelf and teach her to live with men have the merit of liberating, if not of discovering, her.

The interests of society often render it expedient not to utter the whole truth, the interests of science never: for in this field we have much more to fear from the deficiency of truth than from its abundance.

Revenge is a much more punctual paymaster than gratitude

A hug is worth a thousand words.

There are three difficulties in authorship; to write any thing worth the publishing — to find honest men to publish it — and to get sensible men to read it.