改变令人不适,但它是进步的必要条件。
I don't act to escape life, I act to live more deeply.
翻译:说明自然资源是天生的,而人类通过工艺将其开发利用。
I'm not a gangster, I'm not a thug, I'm just a guy who likes to rhyme.
体操是我做的事,而不是我是谁。
Machinery and labor-saving devices are only valuable as they serve to reduce the cost of manufacture.