You are your biggest investment. Don’t be cheap when it comes to education and self-improvement. Continuous improvement is of paramount importance when it comes to your success in business or in life in general.
When I worked at Goldman Sachs my mentors would always tell me to "be long-term greedy.” I didn’t fully appreciate it at the time but it makes perfect sense to me now, especially when it comes to investing.
Ideas are commodities. Execution is not. The most important critical success factor in business is investing in the right management team and not investing in the right idea. Why is it that most business schools don’t dedicate any time to assessing the quality of a company’s management team?