"Mind is the great lever of all things; human thought is the process by which human ends are ultimately answered; and the diffusion of knowledge, so astonishing in the last half-century, has rendered innumerable minds, variously gifted by nature, competent to be competitors or fellow-workers on the theatre of intellectual operation."

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Death is, in some ways, unacceptable. It's just an astonishing fact of our being here that we die; but I think worse than that is if we live long enough, we lose everyone we love in this world. I mean people die and disappear, and we're left with this stark mystery: just the sheer not knowing of what happened to them.

— Sam Harris