His school of students, built up over thirty years, now spans the world.
Tips
history
From 《资治通鉴·唐纪》: Empress Wu Zetian told Di Renjie 天下桃李，悉在公门矣 — 'the world's peaches and plums are all at your gate', praising his recruitment of talent.
culture
桃李 = peach and plum trees, the classical metaphor for students/disciples (compare with 桃李无言，下自成蹊).
