Complexity is the cloak of mediocrity; simplicity is the passport of mastery!

William of Ockham proposed in 1285: "Entities should not be multiplied beyond necessity."
This principle, originally used in logic, was later adopted by scientists like Newton and Einstein to build theoretical systems.
In investing, Warren Buffett allocates 90% of his assets to the S&P 500 index fund, avoiding complex hedging strategies and frequent trading.
The simpler the investment, the easier it is to succeed. Complex operations often serve to hide one's ignorance.