"The quantity of every commodity brought to market naturally adjusts itself to the effectual demand."

"What can be added to the happiness of a man who is in health, out of debt, and has a clear conscience?"

"The learned, however, though they may not be the greatest wits, are always the best company."

"The difference between the most dissimilar characters, between a philosopher and a common street porter, for example, seems to arise not so much from nature, as from habit, custom, and education."

"The education of the common people requires, perhaps, in a civilized and commercial society, the attention of the public more than that of people of some rank and fortune."