对抗病毒是一场持续的战斗，科学必须始终领先一步。
The fight against viruses is a continuous battle, and science must always stay ahead.
Mental phenomena can only be understood in terms of their consequences for action.
Focus on being productive instead of busy.
我不必那么害怕告别，因为告别不一定是永远的。
创造建筑就是创造一个世界。