One fundamental investor was getting exasperated by a young (and green) technical analyst's argument that technical analysis is best and fundamentals do not mean a thing.
The fundamental investor finally had the last word when he summarised his view on technical analysis with the following - technical analysis is like Janus-faced person who calls a woman 'sister' in the morning and 'wife' in the evening.
(Note: The original dialogue in Hindi sounded much better)