Challenges are opportunities in disguise; embrace them with courage.

"Never stop learning, because life never stops teaching."

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

大智论道，中智论事，小智论人。

创新不仅仅是创造新产品；而是重新思考我们如何解决问题。