Take long walks in stormy weather or through deep snows in the fields and woods, if you would keep your spirits up. Deal with brute nature. Be cold and hungry and weary.

The secret of joy in work is contained in one word – excellence. To know how to do something well is to enjoy it.

The existence of a legal system is a matter of social fact.

The future of energy must be built on both innovation and responsibility.

我决定了，既然我要下地狱，那不如做得彻底些。