For many Australians, financial security and wealth creation can seem like a distant dream.

But the truth is, with a combination of patience, discipline, and a well-planned investment strategy, anyone can use ASX shares to build a wealthy future.

Investing in high-quality companies over the long term has the potential to change your financial trajectory, providing not just capital growth but also passive income to support your lifestyle.

The power of compounding and long-term investing

One of the most underrated forces in investing is compounding. Albert Einstein is often (incorrectly) credited with calling it the "eighth wonder of the world."

While Einstein may not have been the one that uttered those words, it doesn't make them any less true. Compounding is truly a magical thing.

By reinvesting dividends and allowing your capital to grow over time, your investments in ASX shares can snowball into a significant portfolio.

For example, if you were to invest $10,000 into a group of ASX 200 shares and earned an average 10% per annum return and let it compound, it could grow to over $67,000 in 20 years without adding another cent.

Whereas if you were to consistently invest additional funds, say $500 per month, your portfolio would exceed $400,000 over the same period.

Why ASX shares are a great wealth-building tool

The Australian share market is home to some strong and resilient companies, spanning sectors such as banking, resources, healthcare, and technology.

By investing in high-quality ASX shares, you can tap into Australia's economic growth while also benefiting from dividends and capital appreciation.

Some companies, like CSL Ltd (ASX: CSL), Goodman Group (ASX: GMG), ResMed Inc. (ASX: RMD), Xero Ltd (ASX: XRO), and Macquarie Group Ltd (ASX: MQG), have demonstrated remarkable growth over many years (even decades), rewarding long-term investors handsomely.

Dividend income: An underrated wealth generator

One of the best things about the Australian share market is its strong dividend culture. Many ASX shares return a portion of their profits to shareholders in the form of dividends each year, providing an income stream that can be reinvested or used for living expenses.

For instance, an investor with a $500,000 portfolio yielding 4% in dividends would generate $20,000 per year in passive income. This is money that could help cover expenses or be reinvested to accelerate portfolio growth.

The importance of consistency

Many investors make the mistake of trying to time the market, but history shows that time in the market beats timing the market.

The key is to stay invested through market cycles, buying ASX shares when opportunities arise (such as this month's market selloff) and holding onto high-quality companies for the long haul.

The most successful investors, such as Warren Buffett to Peter Lynch, stress the importance of patience and conviction. Instead of focusing on short-term price movements, concentrate on business quality, competitive advantages, and long-term potential.

Foolish takeaway

Investing in ASX shares is not just about making money—it is about creating financial freedom and security. With a strategic approach, a focus on quality businesses, and the power of compounding on your side, the share market can be a life-changing wealth-building tool.

Start small, stay consistent, and let your investments work for you. Your future self will thank you.