Sustainability is not just a goal, it's a responsibility.

The desires， and other passions of man， in themselves， are in his own power； his real difficulties are， to know when they are to be controlled， and when not.

生活中最好的老师是经验。

The beauty of virology is that viruses teach us the rules of life by breaking them.

不要去寻找决定性时刻，因为它们永远不会到来。决定你的时刻已经发生，也会再次发生。