Be open-minded and seek truth from facts

Be humble and prudent, seek truth from facts

Be humble and prudent, seek truth and be pragmatic

, there is a time to avoid it."

What is real is what is empty, what is virtual is real

What is virtual is real

What is virtual is what is real

The virtual and the real complement each other

Combining the virtual with the real

Avoid the real and attack the virtual

Avoid the real and attack the virtual