在我看来，“一知半解是危险的事”这句格言本身就很危险。

能源的真实成本必须同时考虑其生产和遗留影响。

Rent is that portion of the produce of the earth which is paid to the landlord for the use of the original and indestructible powers of the soil.

The key to success is to keep pushing yourself.

书籍是反映我们挣扎的镜子。