The poor face constraints that are often invisible to policymakers.
The laser is to attosecond physics what the telescope was to astronomy.
The magic of editing lies in the invisible seams between shots.
The world is made of words, and if you know the words the world is made of, you can make of it whatever you wish.
真相很少是纯粹的，也从来不是简单的。
The soul is the master of the body， not the slave.
The most basic human desire is to be recognized as a human being, and the most basic human fear is to be treated as less than human.