爱之深，责之切。

The best leaders are those who can see around corners.

A poet is a painter of the invisible, a sculptor of the intangible.

Technological innovation is the primary driving force for the high-quality development of the natural gas industry.

I think the greatest thing in life is to be able to give back.

2004年9月13日，81岁的杨振宁在清华大学开始为本科生讲授普通物理。他说

The land doesn’t belong to us—we borrow it from future generations.