It is the very pursuit of happiness that thwarts happiness.
Sports allow men to build up situations of emergency. What he then demands of himself is unnecessary achievement - and unnecessary sacrifice. He artificially creates the tension that he has been spare...
Man does not simply exist but always decides what his existence will be what he will become in the next moment.
The last of the human freedoms: to choose one's attitude in any given set of circumstances to choose one's own way.