健全的外交政策的首要条件是对自己价值观的清晰认识。
The first prerequisite of a sound foreign policy is a clear understanding of one's own values.
The best films are those that leave the audience with questions, not answers.
AdS/CFT对应关系是对现实本质的深刻洞察,它弥合了量子力学和广义相对论之间的鸿沟。