This quote is essentially about fairness in taxation. When Franklin says that taxes “must be uniform”, he means that they should be applied equally, regardless of whether they are taxes on consumption (what we buy), capital (what we own), or income (what we earn). In other words, everyone should pay the same proportion of their income, wealth, or consumption in taxes, regardless of how much they earn, own, or spend.

This idea of uniformity in taxation is based on the principle of equality. It suggests that everyone should contribute to the funding of public services and infrastructure in a way that is proportionate to their means. This is also known as the ability-to-pay principle, which holds that those who have more resources should pay more in taxes.

Applying this idea to today’s world, it might mean advocating for tax policies that ensure everyone pays their fair share. For example, it could mean opposing tax loopholes that allow the wealthy to pay a lower percentage of their income in taxes than the middle class. It could also mean supporting sales taxes that are proportional to the price of goods and services, rather than regressive taxes that take a larger percentage from those with lower incomes.

In terms of personal development, this quote might inspire one to think about fairness and equality in all aspects of life, not just taxation. It could encourage one to strive for consistency and fairness in their actions and decisions, and to consider the impact of their actions on others. It might also lead one to reflect on their own privileges and responsibilities, and how they can use their resources to contribute to the common good.