The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
写作是一种乐观的行为。如果你觉得它不重要,你就不会费心去做。
科学应该服务于人类,而不仅仅是好奇心。
外交家应该具备灵活性和适应性,以应对快速变化的国际环境。
Never underestimate the power of a team that trusts each other.
解释:占卜来解决疑惑,如果没有疑惑的话又何必占卜呢?