Man barricades against himself.
人对他自己建筑起堤防来。
The best performances come from the heart, not just the voice.
The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.
In mathematics, the art of proposing a question must be held of higher value than solving it.
信息悖论是理论物理学中最深的谜题之一。
"We are all the sum of our hesitations."
"Every story is a journey into the unknown."