lives in peace without forgetting danger, survives without forgetting death, and manages without forgetting chaos-The Book of Changes

People who have no long-term worries will have near worries. -The Analects of Confucius

Worry and fatigue can rejuvenate the country, and leisure can lead to death-Ouyang Xiu

Be prepared for danger in times of peace, and refrain from extravagance and frugality-Wei Zhi's Ten Thoughts on Advising Emperor Taizong

Never forget danger in peace, and prosperity will worry about decline. -(Hanshu)

There is no beginning for decadent, but an end for fresh talent (The Book of Songs)

Difficulties and hardships make you successful-Zhang Zai, a writer in the Northern Song Dynasty.