"Compound interest is the 8th wonder of the world. He who understands it, earns it; he who doesn't, pays it."
"Compound interest is the eighth wonder of the world. Those who understand it benefit from it, while those who don't end up paying it."
This classic phrase best explains the power of long-term investing and tells us why "time" is the crucial factor that can change a person's life.
Back to the present, today's children rarely handle 100 or 1,000 baht bills or hear coins dropping into piggy banks, as everything has been replaced by QR code scans, card taps, or automatic account deductions.
On the flip side of this ultimate convenience, it has been analyzed that money is becoming "invisible," merely digital numbers that children cannot physically grasp. When children cannot see how money flows out, the scary part is that they are unaware and have no sense of how much money they have spent or how little remains.
In adulthood, reports from the Global Financial Literacy Excellence Center (GFLEC) and FINRA indicate that lack of money management skills, or financial illiteracy, is a "silent crisis" causing massive global losses. Shockingly, adults who cannot budget are seven times more likely to spend their lives working just to chase money compared to those with financial knowledge.
Conversely, nurturing money skills in children from an early age creates the most effective lifelong financial immunity. Long-term research by the U.S. Federal Reserve found that children trained early in financial matters have much lower debt rates, higher savings, and excellent credit scores as adults.
Interestingly, behavioral research from the University of Cambridge reveals that human attitudes about money are largely formed and deeply rooted by age 7, with confidence in money management established as early as age 5. Thus, home and family factors are the best financial schools—not traditional classrooms focused solely on theory.
If anyone still thinks money matters are only for adults and too complex for children, the story of Edwin Chen, a young entrepreneur and founder of Surge AI—a company valued at $24 billion USD—serves as a clear case study.
He used a "bootstrapping" strategy, building and growing his business with personal savings and cash flow, without relying on external venture capital in the beginning. As a result, he holds 75% of the company's shares and became the youngest billionaire through his own sweat and creativity. This discipline was not developed later in life but became part of his DNA from childhood.
Data from Siam Commercial Bank (SCB WEALTH) emphasizes that teaching children to invest early has enormous benefits because they have more "time" to make mistakes and learn, and the money has more time to work, leading to exponential returns.
In a simulated case: suppose we save the exact same amount, about 700 baht per month.
Additionally, teaching children to shift from "cash hoarders" to "investors" helps them beat the silent threat called "inflation." For example, if children only deposit money in a regular bank account earning 1.5% interest annually, but inflation that year is 2%, their real return is actually negative 0.5%, meaning the value of their money steadily declines without them realizing it.
Moving from regular savings accounts to learning to invest in assets that outpace inflation—such as stocks of fundamentally strong companies or leading index funds (which yield about 10% average annual returns)—is an essential life skill and financial immunity that parents must instill early.
For families whose children (aged 10-18) still find money and investing boring, parents might try these four methods to engage them in discussion and hands-on practice.
1. Show the results: Invite children to compare simply saving money in a piggy bank (where the amount stays the same) versus allocating money to grow with returns, explaining risk in an easy-to-understand way.
2. Open a joint portfolio: Let children set aside some pocket money to invest in a portfolio managed by parents, who add bonus returns as incentives to show how money can really grow.
3. Use board games to build financial immunity: Play "Wealthy Cats" (from the Bank of Thailand’s financial education project), where children manage income and expenses, practice saving, investing, and handling emergencies like illness or economic crises; or play Robert Kiyosaki’s "CASHFLOW" to teach assets, liabilities, and how to escape the "rat race" (working-paycheck-debt-spending cycle) from a young age.
4. Try simulated investment games: Use stock or fund trading simulation apps (Click2Win) for children to practice budgeting with the 50/30/20 rule (50% needs / 30% wants / 20% saving and investing). Parents can offer real-life monetary rewards when children meet simulated return goals.
Ultimately, passing on financial knowledge is not about forcing children to scrimp uncomfortably but about giving them a "map and compass" in a world where money is invisible and its value steadily declines.
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