过去从未死去，它甚至从未过去。

The pursuit of mathematical truth requires both intuition and rigor.

You have to understand the local context to operate successfully in global markets.

心理生活是一个整体，这一普遍陈述可以毫不犹豫地接受。

We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.

杨元庆来华为参观时，杨元庆表示联想要加大研发投入，做高科技的联想，任正非以一位长者的口吻对他如此说。

设计应该是永恒的，而不仅仅是时尚的。