过去从未真正过去,它徘徊在我们生活的角落。
The past is never really past; it lingers in the corners of our lives.
"The biggest risk is not taking any risk."
"The study of computational complexity teaches us that some problems are inherently difficult, no matter how clever our algorithms are."
人最重要的品质是勇气。没有它,其他品质都毫无价值。