In the Chinese language, the word "crisis" is composed of two characters, one representing danger and the other, opportunity.
Source, in full
Remarks at the United Negro College Fund, Indianapolis, Indiana (12 April 1959); Box 902, Senate Speech Files, Pre-Presidential Papers, John F. Kennedy Papers, John F. Kennedy Presidential Library; also in Remarks at Valley Forge Country Club, Pennsylvania (29 October 1960), Box 914, Senate Speech Files, Pre-Presidential Papers, John F. Kennedy Papers, John F. Kennedy Presidential Library