The only limits you have are the ones you set for yourself.

世界是一面镜子，我们在其中看到我们自己。

Violence leaves scars that never fully heal.

Innovation in aquaculture can reduce pressure on wild fish stocks.

The elegance of a proof is as important as its correctness.

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.

The poet is a liar who always speaks the truth.