When the tree waves, wind is stirring

Similar sayings:

If there is a wave there must be a wind If there is a wave there must be a wind
No wind, no waves No wind, no waves
Be in readiness for favorable winds Be in readiness for favorable winds
A crisis is an opportunity riding the dangerous wind A crisis is an opportunity riding the dangerous wind
A reed before the wind lives on, while mighty oaks do fall A reed before the wind lives on, while mighty oaks do fall

Chinese sayings and proverbs