The universe would look to a two-dimensional creature who spend its life moving on the service of what turned out to be a globe， it could travel for millions of years and would always return to its starting point， it would never be conscious of what was above it or beneath it.

The key to successful investing is to control what you can control: costs, taxes, and behavior.

你永远无法像你希望的那样完全了解一个人。但这没关系，爱更好。