Which one of these four quotes is attributed to Michael Porter?
→ There is nothing like returning to a place that remains unchanged to find the ways in which you yourself have altered.
→ To speak ill of others is a dishonest way of praising ourselves; let us be above such transparent egotism. If you can't say good and encouraging things, say nothing. Nothing is often a good thing to do, and always a clever thing to say.
→ We must think and act like a nation of a billion people and not like that of a million people. Dream, dream, dream!
→ The essence of strategy is choosing what not to do.