Snake

Snake is mythical symbol of evil. Of loosing paradise. It was snake who helped devil and said to first woman to eat apples from forbidden tree, which resulted in aware of fact they are naked, than angried god threw them from paradise to earth surface. But snake under some circumstances can be good sign. So lets look at it:
See snake: Overall bad sign.
See snake choking sbdy: Beware of your enemies.
See snake biting sbdy: Your problems will solve itself, no need of action from your side.
See poisonous snake: Dont risk.
Peacefull snake: Hope.
Snake in house: Hm, there is old arabic saying: Bad wife, false friend and snake in house, that is certain death. What more to say?