Don’t let fear stop you from taking the first step.
不要让恐惧阻止你迈出第一步。
Natural selection has shaped our minds as well as our bodies.
Hold on, success at the next corner waiting for you.
与我们内心的东西相比,我们身后和面前的东西都是微不足道的。
制造链式反应机器的基本点当然是确保每次裂变产生一定数量的中子,其中一些中子再次有效地产生裂变。
组合数学是不用计数的计数艺术。
Curiosity and perseverance can change the world.