The world is given to me only once, not one existing and one perceived.

For every dollar you spend purchasing something substantial， expect to pay a dollar in repairs， maintenance， or disposal by the end of its life.

The most important thing in science is not to stop questioning.

威胁我们文明的99%的麻烦都来自于过于乐观，因此我们应该有一个更加保守的会计制度。

生产与保护之间的平衡很微妙，但可以实现。

求知若饥，虚心若愚。

The future of mining lies in intelligent and green technologies.

我是身体”的想法是无知的。

翻译：指出世间万物皆有可能被人类利用，但工艺的精巧和细微之处仍需不断追求。