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Writing

Journal

Essays, reflections, and marginalia

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Essays

Einstein Consoled a Grieving Family by Telling Them Time Does Not Pass. Parmenides Argued It First.

Heraclitus said you cannot step into the same river twice, Parmenides argued at almost the same hour that change is impossible and the senses are lying, and the block universe of modern physics has reopened their quarrel rather than closing it.

Heraclitus said everything flows. Parmenides proved nothing moves. Physics later sided with Parmenides, and the ancient quarrel over time is still unresolved.

·12 min read

Essays

"Nobody Knows Anything": What Plato Discovered About the Limits of Human Knowledge

Socrates went to his death claiming ignorance. Twenty-four centuries later, we still haven't answered his question.

Socrates was executed for claiming ignorance. Plato spent fifty years circling the question his teacher raised at trial: what is knowledge, and can human beings have it? Twenty-four centuries later, surrounded by more information than Socrates could have imagined, we are still sitting in the cave.

·14 min read