Quote by Charles Yerkes
"The key to happiness is the pursuit of purpose."
More from Charles Yerkes
"I have the consolation of having added to the great achievements of my time by the development of rapid transit in Chicago."
"The secret of my success is that I bite off more than I can chew and then chew it."
"Money is power, and power is the ability to command what you need."
"A man's life is measured by the breadth of his vision and the depth of his character."