Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.
Train people well enough so they can leave, treat them well enough so they don't want to.
We must always question our assumptions and be willing to revise our theories in light of new evidence.
这个世界充满了神奇的事物,耐心地等待我们的感官变得更加敏锐。