The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome.
自由民主在世界范围内的传播并非不可避免，但它是最有可能的结果。
No matter how complex or refined, all behavior is to be explained in terms of stimulus and response.
无论多么复杂或精细，所有行为都可以用刺激和反应来解释。
Every decision we make today impacts the next generation.
The duty of a true patriot is to protect his country from its government.
"Every story is a journey, and every journey is a story."