It is when we all play safe that we create a world of utmost insecurity. It is when we all play safe that fatality will lead us to our doom. It is in the "dark shade of courage" alone that the spell can be broken.

Servant of Peace : A Selection of the Speeches and Statements of Dag Hammarskjöld, Secretary General of the United Nations (1962), p. 107; this has sometimes been paraphrased: It is in playing safe that we create a world of utmost insecurity.