力的统一不仅是理论的梦想，更是自然对称性所决定的必然。

I'm not a person who's very comfortable with fame. I'm a singer. I sing. That's what I do. That's what I love.

Cognition refers to all processes by which the sensory input is transformed, reduced, elaborated, stored, recovered, and used.

The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.

We have a responsibility to make technology accessible to all of humanity.