In the end, it is not the years in your life that count, but the life in your years.
The true measure of success is not just profitability, but the positive impact we leave for future generations.
My mind is my weapon. My brother has his sword, King Robert has his warhammer, and I have my mind... And a mind needs books as a sword needs a whetstone, if it is to keep its edge.
经济理论提供工具,但现实世界的测试会完善它们。