宇宙是能量和物质的交响曲，在最大的尺度上演奏。

Technology should serve people, not control them.

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.

对你的决定保持承诺，但在你的方法上保持灵活。

永远不要停止质疑，即使答案似乎已经确定。