The only thing that is under control is your effort.

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.

可持续性不是一种趋势，而是我们对后代的责任。

Turn your wounds into wisdom.

做出伟大工作的唯一途径是热爱你所做的事。

故事是作者写给自己的信，用来告诉自己那些无法以其他方式发现的事情。