To be happy, I must have my books and a piece of sky.
Don't wait for the perfect moment—take the moment and make it perfect.
臣民对主权者的义务,只要主权者能保护他们,就持续存在,否则就不再存在。
The energy sector must evolve or become irrelevant.
Science is not just about finding answers, but about asking the right questions.
多样性不仅仅是一个流行词,而是商业的必要条件。