Friendship can enhance happiness and relieve pain; Because it can double our happiness and share our troubles.
Make excuses for others, but never make excuses for yourself.
My philosophy of life is work. I want to reveal the mysteries of nature and benefit mankind. In our short life, I don't know what is better than this kind of service.
Invention is one percent inspiration and ninety-nine percent perspiration.
At any time, no matter what, I will never allow myself to feel a little frustrated.
Failure is also what I need. To me, it is as valuable as success. Only when I know all the methods to do a good job, do I know what the methods are.
I have never made an accidental invention in my life. All my inventions are the result of careful consideration and rigorous experiments.