We should check our complacency and constantly criticize our shortcomings, just as we should wash our faces or sweep the floor every day to remove the dirt and keep them clean.

• 我们应该抑制自满，时时批评自己的缺点，好像我们为了清洁，为了去掉灰尘，天天要洗脸，天天要扫地一样。