1. My only hope is to contribute more.

2. A battlefield surgeon must be a carpenter, tailor, blacksmith and barber at the same time.

3. Don’t treat me like an antique. I’m here to work. You want to use me like a machine gun.

4. We must use technology to enhance the happiness of hundreds of millions of people, rather than using technology to enhance the wealth of a few people.

5. If a company commander loses a machine gun, it goes without saying that he will be criticized, but the gun can still be taken back, but once a leg is lost, it cannot be regained.