The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome of the process of modernization.
在数学中,旅程和目的地同样重要,因为正是通过发现的过程,我们才能真正学习。
I'm not a person who looks back and thinks, 'I wish I'd done that differently.'
The greatest value of drone technology is that it can reach places that are difficult for humans to access.