The science of mathematics performs more than it promises, but the science of metaphysics promises more than it performs.

We should have a glorious conflagration, if all who cannot put fire into their works would only consent to put their works into the fire.

Examinations are formidable even to the best prepared, for the greatest fool may ask more than the wisest man can answer.

Repartee is perfect when it effects its purpose with a double edge. It is the highest order of wit, as it indicates the coolest yet quickest exercise of genius, at a moment when the passions are roused.

The art of declamation has been sinking in value from the moment that speakers were foolish enough to publish, and hearers wise enough to read.

It has been observed that a dwarf standing on the shoulders of a giant will see farther than the giant himself; and the moderns, standing as they do on the vantage ground of former discoveries and uniting all the fruits of the experience of their forefathers, with their own actual observation, may be admitted to enjoy a more enlarged and comprehensive view of things than the ancients themselves.

A hug is worth a thousand words.