To feed the world, we must first respect the resources we have.

The only constant is change, continuing change, inevitable change, that is the dominant factor in society today.

最大的悲剧不是我们预见的那些，而是我们从未预料到的那些。

I am convinced that the substitution of a simple tax on the rent of land for the complicated taxes which at present oppress industry would be advantageous to all classes.

每个故事至少有两面。