Thou hast given so much to me,
Give me one thing more – a grateful heart;
Not thankful when it pleaseth me,
As if Thy blessings had spare days;
But such a heart whose pulse may be
Thy praise.
~ George Herbert
Perhaps it seems surprising that physicists seek beauty, but in fact they have no choice. As yet there has not been an exception to the rule that the demonstrable solution to any problem will turn out to be an aesthetic solution.