国家本质上是具有侵略性和扩张性的。

I didn't get to where I am by chasing mediocre opportunities.

创新不仅仅是技术的问题；它关乎改变人们的思维和行动方式。

The truth is rarely pure and never simple.

"Words have power, but silence can be even more powerful."

Every improvement in the circumstances of the society tends either directly or indirectly to raise the real rent of land, to increase the real wealth of the landlord, his power of purchasing the labour, or the produce of the labour of other people.