没有执行的创新只是空想。

Were it left to me to decide whether we should have a government without newspapers, or newspapers without a government, I should not hesitate a moment to prefer the latter.

The past is not dead, it is not even past.

理论物理学不仅仅是解方程，它关乎理解现实的本质。

出自先秦《荀子·不苟》。君子加强道德修养没有比“诚”更重要的，达到了“诚”的要求也就到了修身养性的最高境界了。