“Investing should be more like watching paint dry or watching grass grow. If you want excitement, take $800 and go to Las Vegas.” – Paul Samuelson
Paul Samuelson is an economist especially known for the general approach to the method of comparative statics that he made in his book Foundations of Economic. He has fundamental books like Microeconomics with PowerWeb, Inside The Economist's Mind, Linear Programming and Economic Analysis, and others.
His quote refers to the fact that patience is needed for growing up in the business world. It's important to be focused on what your investment plans are, with the appropriate seriousness as it was a life project, it you want to see good results.
Index funds are the sleepy way to wealth. They’re boring, simple, and effective. I’d rather my investments be yawners with consistent growth than an exciting roller coaster of overall modest gains.
This quote clarifies that, if you really want your economic progress to be successful, it's necessary you put all your effort and get it done with the sobriety needed to make smart decisions. If you don't get enough of this idea, perhaps you won't have the best results.