The oldest self-help tool might also be the best one, and it fits on a single sheet of paper. I asked Stoic author Donald Robertson to walk me through Socrates' two-column method: a simple way to question your own assumptions, pressure-test a belief, and make a clearer decision.
We trace how this approach fed straight into Epictetus, Seneca and Marcus Aurelius, and why it still holds up as something you can actually pick up and use today. Practical, not abstract.
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The Stoic Vault: stoicvault.com
