From Reuters, on June 27, 2017:

U.S. Federal Reserve Chair Janet Yellen said on Tuesday that she does not believe there will be another financial crisis for at least as long as she lives.

From CNBC, on Dec. 11, 2018:

There could be another financial crisis on the horizon, warned former Federal Reserve Chair Janet Yellen in a speech Monday night.

The financial future is murky, but one of these predictions will be right.