Studying early in the morning often doubles the payoff for half the work.
Tips
history
From 《孟子·公孙丑上》: 'doing half what the ancients did, the effect is bound to be double' — Mencius's take on why acting at the right moment multiplies results.
mistakes
Opposite of 事倍功半 ('double effort, half result'). Students often swap them — the lucky one is 事半(less work)功倍(more result).
