The strength of a theory is not what it allows, but what it prohibits; if you can invent an equally persuasive explanation for any outcome, you have zero knowledge.

The AI does not hate you, nor does it love you, but you are made out of atoms which it can use for something else.

To worship a sacred mystery was just to worship your own ignorance.

If cryonics were a scam it would have far better marketing and be far more popular.

Boys," said Hermione Granger, "should not be allowed to love girls without asking them first! This is true in a number of ways and especially when it comes to gluing people to the ceiling!

I ask the fundamental question of rationality: Why do you believe what you believe? What do you think you know and how do you think you know it?

We underestimate the distance between ourselves and others. Not just inferential distance, but distances of temperament and ability, distances of situation and resource, distances of unspoken knowledge and unnoticed skills and luck, distances of interior landscape.