The more you know who you are, and what you want, the less you let things upset you.
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。
可持续发展不是一种选择,而是我们对地球和后代的责任。
单子是不可分割的实体,是构成世界的基本元素。
The joy of chemistry is in seeing the invisible become visible.