polling

is not a science at all but mere necromancy. One can take a nation's pulse, but one can't be sure that the nation hasn't just run up a flight of stairs.

The so-called science of poll-taking is not a science at all but mere necromancy. People are unpredictable by nature, and although you can take a nation's pulse, you can't be sure that the nation hasn't just run up a flight of stairs.

is always biased towards people who are willing to take polls

All polls are biased towards people who are willing to take polls

polling, n.Definitions

polling