Quantum mechanics is not just a theory, it is a way of understanding the fundamental nature of reality.

The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.

I don't take anything for granted.

平凡与非凡之间的区别就在于那一点点额外的努力。