太阳在天空中闪耀，眼前没有一片云彩。

Don't just fight in the North or the South. Always imagine every battle in your mind, where everyone is both your enemy and your friend, and all possible events happen simultaneously. That way, nothing will take you by surprise, and everything that happens will be something you've already imagined.

The Soviet Union was a civilization of fear, where people lived in constant dread of the knock on the door at night.

Quantum error correction is the key to making quantum computers practical.

你无法改变过去，但你可以塑造未来。