By now the cliché of stocks being less risky in the long run has been criticized heavily. I have done my bit here, for example. But it is still common in the United States and to a lesser extent in the UK to hear that if you hold stocks for 10, 20, or 30 years, you are going to make money.
interesting the luck of the geography also helped the USA I guess.
Quick quiz: who held the global reserve currencies 1841-2019?