A belief is like a guillotine, just as heavy, just as light.
The best experiments often come from simple ideas and careful observation.
作家必须甘于被挑战。
世界需要各种形式的能源来满足不断增长的需求,天然气是一种更清洁的替代品,可以帮助填补这一空白。
世界充满了神奇的事物,耐心地等待着我们的感官变得更加敏锐。
绝对确定性的假设是每一项科学研究的根本基础。