Truth is one, paths are many.

性能的关键在于优雅，而不是大量的特殊情况。

在量子力学中，测量的行为可以改变被测量系统的状态。

He walked out in the gray light and stood and he saw for a brief moment the absolute truth of the world. The cold relentless circling of the intestate earth. Darkness implacable. The blind dogs of the sun in their running. The crushing black vacuum of the universe. And somewhere two hunted animals trembling like ground-foxes in their cover. Borrowed time and borrowed world and borrowed eyes with which to sorrow it.

Quality means doing it right when no one is looking.