The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.

A company’s true strength is measured by how it adapts to change, not just by its past achievements.

科学不过是常识的极致——观察上严格精确，逻辑上对谬误毫不留情。

记忆不仅是个人的，也是集体的。我们通过他人记忆，他人也通过我们记忆。