This quote from John F. Kennedy is essentially saying that an economy burdened with high tax rates will not be able to generate a sufficient number of jobs or profits. This is because high taxes can discourage businesses from expanding, investing, or hiring more workers, which are all activities that stimulate economic growth and job creation. Additionally, high taxes can reduce the amount of profits that businesses can reinvest back into their operations, further stifering economic growth.

The idea behind this quote is that a healthy economy requires a balance between taxation and economic freedom. Too much taxation can discourage economic activity, while too little can lead to insufficient funding for public goods and services.

Applying this idea to today’s world, it suggests that governments should aim for a tax policy that encourages economic growth and job creation, rather than one that prioritizes revenue collection at the expense of economic activity. This could mean reducing tax rates, simplifying tax codes, or providing tax incentives for businesses to invest and hire more workers.

In terms of personal development, this quote can be interpreted as a reminder of the importance of maintaining a balance between investing in oneself and saving for the future. Just as high taxes can discourage businesses from investing and expanding, excessively focusing on saving money can prevent individuals from investing in their personal growth and development, such as by pursuing further education or starting a new business. Therefore, just as governments should aim for a balanced tax policy, individuals should aim for a balanced financial strategy that allows for both personal development and financial security.