Quantum mechanics is not just a theory about the world, it is a description of the world at its most fundamental level.

The love for all living creatures is the most noble attribute of man.  

Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

In order to write about life first you must live it.

【释义】农业和商业进行交易，使农业和商业都能得到利益，促进经济的全面发展。