If you view all the things that happen to you, both good and bad, as opportunities, then you operate out of a higher level of consciousness. There are no circumstances, however unfortunate, that clever people do not extract some advantage from. You can't wait for it to knock on the door. . . . The people who get on in this world are the people who get up and look for the circumstances they want, and, if they can't find them, make them. Nowadays some people expect the door of opportunity to be opened with a remote control.
Some men go through a forest and see no firewood.
It is usually an opportunity. When written in Chinese, the word 'crisis' is composed of two characters one represents danger, and the other represents opportunity.