“My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.”— Stephen Hawking霍金经典语录壁纸：我的目标很简单。这是对宇宙的完全理解，为什么它是这样，为什么它存在。
“My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.”— Stephen Hawking霍金经典语录壁纸：我的目标很简单。这是对宇宙的完全理解，为什么它是这样，为什么它存在。
