为自己的原则而战比实践这些原则要容易。
It is easier to fight for one's principles than to live up to them.
Every book is a new adventure in making.
在美国，犹太人其实是基督教想象的产物。
我们必须与政府、行业和社区合作，寻找可持续的能源解决方案。
Modern quarrying must marry the wisdom of geology with the innovation of engineering.
Success is not final, failure is not fatal: It is the courage to continue that counts.
全球协作是解决当今能源领域面临的复杂挑战的关键。