A building must be both strong and gentle.

华为的目标是帮助全球运营商构建极简、智能、安全的5G网络。

A book is a mirror: if an ass peers into it, you can't expect an apostle to look out.

这句话杨在不同场合说过多次，每次表述时可能有个别字的差异。

"The past is always tense, the future perfect."