It is the lives we encounter that make life worth living.

Agricultural innovation must address both quantity and quality.

可持续性不仅仅是植树；它是为了正确的理由在正确的地方种植正确的树木。

I think that the most important thing is to be honest with yourself and with your audience.

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.