Stories you read when you're the right age never quite leave you. You may forget who wrote them or what the story was called. Sometimes you'll forget precisely what happened, but if a story touches you it will stay with you, haunting the places in your mind that you rarely ever visit.

To understand chemistry at its most fundamental level, we must look at the dance of electrons in molecules.

"In the end, we will remember not the words of our enemies, but the silence of our friends."

文学是一种力量，可以改变世界。

PID控制器的本质在于它能够根据系统的过去和现在状态预测其未来行为。

森林是地球的肺，我们不要让它窒息。

The bakery business is as much about science as it is about art.