These extremists tell us that such a reconciliation of the spiritual with the human is impossible, that the two aims are mutually discordant and utterly irreconcilable, that they contradict each other and if attained would destroy each other, and that either the first or the second will eventually and inevitably have to be abandoned. Sometimes it is better to be suspicious of such an oversimplification. It may lead us more quickly to truth, but it may also mislead us. And this is one of the times when such caution is called for.
-- Notebooks Category 6: Emotions and Ethics > Chapter 6: Avoid Fanaticism > # 39