Leadership in the 21st century requires both vision and adaptability; the companies that thrive will be those that anticipate change rather than resist it.
Profit is not the legitimate purpose of business. The legitimate purpose of business is to provide a product or service that people need and do it so well that it's profitable.
Success in business requires training and discipline and hard work. But if you're not frightened by these things, the opportunities are just as great today as they ever were.