Noun
an unexpected piece of good luck
Source: WordNetWe are not the same persons this year as last; nor are those we love. It is a happy chance if we, changing, continue to love a changed person. W. Somerset Maugham
I usually read the obituaries first as there is always the happy chance that one of them will make my day. Robert A. Heinlein
I feel grateful to the happy chance which forced me to compose freely and in silence, and has thus delivered me from the tyranny of the fingers, so dangerous to thought. Hector Berlioz
By happy chance we saw A twofold image on a grassy bank A snow-white ram, and in the crystal flood Another and the same. William Wordsworth
he finally got his big break Source: Internet