Habit is far more dependable than inspiration. Make progress by making habits. Don‘t focus on getting into shape. Focus on becoming the kind of person who never misses a workout.

想象力的解放是所有解放中最危险的。

有人居住的世界的界限是由人类知识的范围决定的。

荒野是一个危险的地方。要生存，你必须尊重它。