Quotes About Symmetry breaking

In 1956 two American physicists, Tsung-Dao Lee and Chen Ning Yang, suggested that the weak force does not in fact obey the symmetry P.

But for all practical purposes the formation of ice breaks the continuous symmetries of water non-deterministically. This non-deterministic symmetry breaking is called spontaneous symmetry breaking.

In physics terms, the reason for symmetry breaking is the instability of the symmetric state.