生活中最大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。

实验是发现新可能性的关键。

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."

The journey of scientific discovery is as important as the destination.

The past does not have to define the future.