The expectations of life depend upon diligence; the mechanic that would perfect his work must first sharpen his tools.

The expectations of life depend upon diligence; the mechanic that would perfect his work must first sharpen his tools.

人生的期望在于勤奋;想把工作做得完美无缺的机修工，必须先磨砺工具。

-- Confucius 孔子