He gives each its due, but nudges readers towards the Aristotelian approach by being harder on the other two.

ECONOMIST: First principles of justice: Rights and wrongs | The

Reminiscent of the Aristotelian notion of eudaimonia, he views his happiness not as a fixed status he has seized, but as a perpetual and boundless activity.

FORBES: Warren Buffett To Millennials: 'The Future Is Terrific'

But, with all appreciation for technical skills, let us also remember the Aristotelian notion of counterpoise, and the Jeffersonian Renaissance Man before all begin to pursue that elusive degree in computer science.

FORBES: Digital Literacy: New Literacy?

While much of his time as Emperor was spent in battle, Marcus made a major impact on the study of philosophy by establishing four Chairs of Philosophy in Athens, one for each of the principal philosophical traditions (Platonic, Aristotelian, Stoic, and Epicurean).

FORBES: For Clearer Thinking, Give Your Brain a Daily Dose of Marcus Aurelius

These revolutions can be triggered by technological breakthroughs, such as the construction of the first telescope (which overthrew the Aristotelian idea that heavenly bodies are perfect and unchanging) and by conceptual breakthroughs such as the invention of calculus (which allowed the laws of motion to be formulated).

ECONOMIST: The scientific method