Optimism is essential to achievement and it is also the foundation of courage and true progress.
Optimism is the foundation of courage.
Necessity does the work of courage.
Nicholas Murray Butler was an American philosopher, diplomat, and educator. Butler was president of Columbia University, president of the Carnegie Endowment for International Peace, and a recipient of the Nobel Peace Prize. He became so well known and respected that The New York Times printed his Christmas greeting to the nation every year.