Leadership means making tough decisions today that will pay off decades from now.
领导力意味着今天做出艰难的决定，而这些决定将在几十年后得到回报。
In the quest for understanding the cosmos, every question answered leads to a dozen more.
The world is so full of people, so crowded with these miracles, that they become commonplace and we forget.
作家的任务不是评判，而是理解。