Look the other way, if an old chief engineer, who developed 100s key components for the company, who also knows all the tricks and pit fall in the production line.

Do you dare to fire him? If you fired him, he probably will be hire by your number one competitor in no time, then you will find the whole production gets into dead hault becuase the laveing of the old guy.

Summary:
1. Younger doesn't always mean more productive. 智慧就是: [長年紀更要長經驗]
2. If you are old, ask yourself what do you learn in the past 20 years from the job? 參與戰役數量無人能比
3. If you want to jump ship, what can you put on the resume? 輝煌的戰役紀錄
4. Are you the ace of aces in your field? (top 5% or top 1% ?) 高手中的高手
5. Do you have any backup plan (plan B) ? 狡兔三窟

內無法家弼士者, 國恆亡 ! 所謂 : 生於憂患 , 死於安樂 !