I am far from any intention to limit curiosity, or confine the labours of learning to arts of immediate and necessary use. It is only from the various essays of experimental industry, and the vague excursions of mind set upon discovery, that any advancement of knowledge can be expected; and though many must be disappointed in their labours, yet they are not to be charged with having spent their time in vain; their example contributed to inspire emulation, and their miscarriage taught others the way to success.

There are occasions on which all apology is rudeness.

The power, indeed, of every individual is small, and the consequence of his endeavours imperceptible, in a general prospect of the world. Providence has given no man ability to do much, that something might be left for every man to do. The business of life is carried on by a general co-operation; in which the part of any single man can be no more distinguished, than the effect of a particular drop when the meadows are floated by a summer shower: yet every drop increases the inundation, and every hand adds to the happiness or misery of mankind.

Any of us would kill a cow rather than not have beef.

I am a great friend to public amusements; for they keep people from vice.

I do not envy a clergyman's life as an easy life, nor do I envy the clergyman who makes it an easy life.

Levellers wish to level down as far as themselves; but they cannot bear levelling up to themselves.