“And you begin to lean against some longing till it shifts.”1
Few people set out to be professional doubters. The most famous Western example is Descartes, who resolved to question everything he thought he knew. He arrived at one indisputable truth: Cogito, ergo sum—“I think, therefore I am.” In the method he devised for learning, humility was central, along with the tolerant observation of others and a reliance on personal experience over the theories of theologians and philosophers.
This is a companion discussion topic for the original entry at http://spectrummagazine.org/node/11258