Progress is not inevitable; it is the result of deliberate choices and actions.
进步并非不可避免；它是深思熟虑的选择和行动的结果。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
弦理论的数学美感表明它必须是自然界终极描述的一部分。
In all of us，even in good men，there is a lawless wild-beast nature，which peers out in sleep.
元素并非随意分布，而是遵循更高的秩序。
The past is a puzzle, and genetics provides some of the pieces.