From 《
礼记·
中庸》 (The Doctrine of the Mean, in the Book of Rites):
凡事豫则立,
不豫则废 — 'In all affairs, with preparation one is established; without preparation, one fails.' (
豫 is a classical variant of
预.) Confucian classic on planning as the basis of success. Standard reference in Chinese management and pedagogical writing.