Retire into yourself and ask yourself this question: Must I write? If the answer is yes, then you must keep writing.
真相很少是纯粹的,也从不简单。
Innovation in oil extraction must go hand in hand with environmental responsibility.
物理学的创新往往来自于以新的方式看待老问题。
每一个挑战都是学习和改进的机会。