小洞不堵，大洞吃苦 xiǎo dòng bù dǔ, dà dòng chīkǔ

xiǎo dòng bù dǔ, dà dòng chīkǔ phrase a small hole not plugged will give you grief when it gets bigger; a stitch in time saves nine
Domain: Proverb 谚语
Notes: (CC-CEDICT '小洞不堵，大洞吃苦')