Idleness of the mind is much worse than that of the body: wit, without employment, is a disease - the rust of the soul, a plague, a hell itself.

It is idleness that is the curse of man - not labour. Idleness eats the heart out of men as of nations, and consumes them as rust does iron.

What is an epigram? a dwarfish whole, its body brevity, and wit its soul

Idleness is to the human mind like rust to iron.

Its body brevity, and wit its soul.

We learn wisdom from failure much more than from success. We often discover what will do, by finding out what will not do; and probably he who never made a mistake never made a discovery.