We must learn from nature how to use resources efficiently.
Human life can not be measured by the length of time. When the heart is full of love, the moment is eternal! ——It really can’t be measured by the length of time.
The general population doesn't know what's happening, and it doesn't even know that it doesn't know.
普通大众不知道正在发生什么，甚至不知道他们不知道。