1. Be lucky.
2. Get lucky.
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10. Pray hard.
11. Marry into a rich family.
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50. Study hard (the only thing you can control).
51. Lose money initially.

In terms of asset classes, depends on the times. They said US stocks outperform in the long run, but during the last 30 years, government bonds actually outperformed, meaning taking all those so called risks does not always pay.