People of the same trade seldom meet together, even for merriment and diversion, but the conversation ends in a conspiracy against the public, or in some contrivance to raise prices."

All money is a matter of belief.

"The real price of everything, what everything really costs to the man who wants to acquire it, is the toil and trouble of acquiring it."

"The machines that are first invented to perform any particular movement are always the most complex, and succeeding artists generally discover that, with fewer wheels the same effects may be more easily produced."

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