我是个战士，我永不放弃。

The best way to cheer yourself up is to try to cheer somebody else up.

"Don't be afraid to give up the good to go for the great."

"In observational studies, we often have to rely on assumptions that are not directly testable."

制造业的未来在于平衡效率与环境管理。

Diversity of thought leads to better decision-making in complex environments.