The difference between the price we pay for a stock and its liquidation value gives us a margin of safety. This kind of investing is one of the most effective ways of achieving good long term results. — Peter Cundill Copy Share Image
I do think that impact investing is not that effective. Shares go from investor A to investor B, and the company doesn't even know it. It's inevitably an ineffective way to communicate to the company your feelings. — John C. Bogle Copy Share Image