"Man can now fly in the air like a bird, swim under the ocean like a fish, he can burrow into the ground like a mole. Now if only he could walk the earth like a man, this would be paradise"

This quote by Tommy Douglas functions as a powerful commentary on human development and its ramifications. It juxtaposes human achievements in innovation and exploration versus essential ethical and social responsibilities. The quote begins by acknowledging the exceptional developments that have allowed humans to transcend their natural restrictions-- flying like birds, swimming under the ocean like fish, and burrowing into the ground like moles. These achievements illustrate the extraordinary scientific and technological strides humankind has actually made, showcasing our ability to control and conquer the challenges presented by our environment.

However, Douglas's observation takes a critical turn with the phrase, "Now if only he could walk the earth like a guy, this would be paradise". This declaration suggests a viewed gap between technological improvement and moral or ethical development. The expression "stroll the earth like a guy" can be interpreted as a call to cultivate virtues such as compassion, responsibility, and ethical integrity. It implies that in spite of our technological prowess, we are doing not have in how we treat one another and the world we share.

Douglas is ultimately critiquing the imbalance in between mankind's external accomplishments and internal development. By calling for us to "stroll like a man", he is advising society to focus on ending up being accountable stewards of the earth and compassionate members of human society. Therefore, the "paradise" he envisions is not one produced exclusively through technological feats however through a harmonious blend of scientific progress and ethical maturity.

In essence, Douglas's quote is a plea for a holistic approach to advance, where human beings not just innovate and check out but also cultivate a deep sense of ethical duty and community. The true paradise, in his view, is attained not just through external achievements however through detailed development as thoughtful, ethical individuals.