In this lifetime, one only needs to do three major things.

The first thing is to study how to make money; money can solve 90% of life's problems, and the remaining 10% can be alleviated with money.

The second thing is to study human nature; as long as you see through human nature, you can remain undefeated in the trading system.

The third thing is to take care of your body; do not exchange health for material possessions. ​​​

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