The past is never just the past. It is always a foundation for the present.
The truth is, we all have our own versions of reality, and sometimes those versions don't align with the facts.
发现可能性的极限的唯一方法是超越它们进入不可能。
The most important political development of the last half century has been the spread of liberal democracy around the world.
Your most unhappy customers are your greatest source of learning.