个人的不是私人的;它是政治的。
生存下来的不是最强壮的物种,也不是最聪明的物种,而是对变化反应最迅速的物种。
The great powers are always searching for opportunities to gain power at the expense of rivals, and to dominate the system.
Success is not final, failure is not fatal: it is the courage to continue that counts.
存在两种可能性:要么我们在宇宙中是孤独的,要么不是。两者都同样可怕。