实现明天的唯一限制是我们今天的疑虑。
The only limit to our realization of tomorrow will be our doubts of today.
I don't play for the records. I play because I love the game.
Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."
多走楼梯。