The most significant threat to liberal democracy today is not from the outside, but from within.
今天对自由民主最严重的威胁不是来自外部，而是来自内部。
The more you sweat in training, the less you bleed in combat.
In the search for new quantum materials, we are guided by the principles of topology and symmetry, which often lead us to discover materials with remarkable properties.
要养活世界，我们必须首先尊重使农业成为可能的自然循环。
北极仅有一盏路灯，南极也只有一盏；唯独北极的点灯人和他南极的同行，过着闲逸懒散的生活：他们每年只工作两次。