Quote by Adam Smith
"The path to success is rarely straight; it winds through valleys of doubt and over mountains of perseverance."
More from Adam Smith
"It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest."
"The real price of everything... is the toil and trouble of acquiring it."
"Happiness never results from what we get, but from what we give."
"The propensity to truck, barter and exchange one thing for another is common to all men."